Answer:
When the Earth's magnetic field reverses, a new stripe, with the new polarity, begins. Such magnetic patterns led to recognition of the occurrence of sea-floor spreading, and they remain some of the strongest evidence for the theory of plate tectonics.
Explanation:
When the Earth's magnetic field reverses, the new polarity, begins. Such magnetic patterns led to recognition of the occurrence of sea-floor spreading, and they remain some of the strongest evidence for the theory of plate tectonics.
What is sea-floor spreading ?Seafloor spreading is mainly caused by tectonic activity that is constantly occurring within the tectonic plates of the Earth.
Tectonic plates are moving because they are situated on the crust of the Earth, which lies on top of a partially molten layer of rock, called the asthenosphere.
Tectonic plate movement is responsible for the formation of natural landmarks such as mountains and volcanoes, and natural disasters such as earthquakes.
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Muticellular organisms, cells are organized into tissues, tissues into organs, organs into organ systems, and system into organisms.
Answer:
Explanation:
.
What is the danger posed by introduced species? *
O Non-native species might have no natural predators in their new environment
Non-native species can occupy space and crowd out indigenous species
Non-native species might prey on native species threatening extinction
All of these are dangers posed by introduced species
Read this speech given by US Secretary of Defense Chuck Hagel on Veterans Day 2014. What is the purpose of the speech?
Every year, we set aside Veterans Day to honor all the men and women who’ve served our country in uniform. We celebrate veterans from generations past. We welcome a new generation of veterans home from war. And we thank our future veterans, still serving at home and abroad.
They are securing our nation through their engagement across the globe. Some are in West Africa, contributing to the global effort to stop the spread of Ebola. Some are in the Middle East, working closely with our coalition partners in the fight against ISIL. And some are in Afghanistan, where next month the United States will responsibly end the longest war in our history.
For our troops serving around the world today, and those transitioning out of the military, our obligations are only beginning. Taking care of them, and their families, is a sacred responsibility we must always uphold.
Let’s celebrate them by telling their stories. Let’s help those who need it, while supporting their strength and resilience. And let’s honor our veterans by creating new opportunities for them to contribute after their service, so they can continue making a difference in the world.
To all our veterans—thank you. Thank you for everything you’ve done for our country. You’re among the best our nation has to offer. God bless you and your families, and happy Veterans Day.
A.
to express gratitude to US veterans
B.
to inform the country where veterans are stationed
C.
to persuade Americans to show their gratitude to veterans
D.
to support the families and friends of US veterans
Answer:
A. to express gratitude to US veterans!
Explanation:
The main purpose of the speech is to express gratitude to US veterans. The correct option is A.
What is Veterans Day?Veterans Day (formally renowned as Armistice Day) is a federal holiday witnessed annually on November 11 in the United States.
It is basically to honor military veterans of the United States Armed Forces who have been released under conditions other than morally reprehensible.
Veterans Day is a great chance to publicly recognize the contributions of living veterans and express gratitude to them.
But, in addition to the free meals, discounts, tributes, and platitudes bestowed upon veterans on this day, there is an opportunity to truly express your gratitude.
In the give speech, the US Secretary of Defense Chuck Hagel is expressing his views for the Veterans and is expressing his gratitude towards them.
Thus, the correct option is A.
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What is sexual
reproduction? What is the advantage of this method of reproduction?
Sexual Reproduction - type of reproduction that involves two parents
Advantage - more genetic diversity in species
Identify the type of cells that divide by mitosis.
The graphs show the reaction rate for an enzyme across a range of temperatures and pH. Based on these data, this enzyme functions best at what temperature and pH? *
The graph is attacged and the options is as follows:
Temperature of 27oC and a pH of 4
Temperature of 37oC and a pH of 6
Temperature of 40oC and a pH of 8
Temperature of 50oC and a pH of 10
Answer:
The correct answer would be - temperature of 37oC and a pH of 6
Explanation:
The graph 1 shows the relation between the rate of reaction for an enzyme and the temperature of reaction is been represented. In this graph the rate of eaction is highest (point from the slope starts decreasing) at the So, by the options and graph the temperature 37°C(Below 40°C) rate of reaction is maximum.
Similarly, in other graph rate of reaction and and pH has been represented in which rate of reaction is maximum at pH 6. after 6 pH the rate of reaction started decreasing.
What is erosion?
OA) The breakdown and movement of material.
O B) Materials carried by a stream.
C) The breakdown of material.
OD) The movement of material from one place to another.
Clear selection
Answer:
A.
Explanation:
the process of eroding or being eroded by wind, water, or other natural agents
Carbohydrates like glucose can undergo spontaneous rearrangement to give an alternate configuration for the anomeric carbon when the ring is free in solution. However, when glucose is covalently attached to another sugar through C1, this rearrangement cannot occur. Consequently, the configuration of carbohydrate oligomers and polymers is fixed. Why can't glucose rearrange when in a polymer form?
Answer:
The presentation according to another circumstance is categorized in the following section.
Explanation:
Glucose constructs anomers because of the extreme involvement of flexible metal-carbon because that continues to exist as something of a monomer. However, when plastics are established, transformation is limited with glycoside formation of complexes among both anomeric carbon atoms.
Sucrose, besides obvious reasons, would be manufactured by glucose and fructose, which have been connected by something like a glycerol backbone involving glucose carbon atom as well as fructose. The mechanism including its creation of anomers even by movement through carbon becomes called "Mutarotation" Sucrose doesn't always show mutation.Which statement is most true about technological design
A. There is only one single best solution to most problems.
B. Tradeoffs are often avoided.
C. There is no room for creativity in design.
D. There may be multiple solutions to a single problem.
Technological design provides multiple solutions to a single problem.
What is technology?Technology is the application of scientific knowledge to produce tools for use of man to make life more comfortable and work easier.
Technological design refers to the various designs of tools used by man.
Technological design ensures that there are multiple tools available for man to solve a particular problem.
For example, cars, ships and aeroplanes are various technological design for transport.
Therefore, technological design provides multiple solutions to a single problem.
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Mitosis and meiosis differ in the way chromosomes move and in their number of cell divisions A cell replicates, or copies, all its chromosomes before entering either mitosis or meions in mitosis however, each daughter
Call receives an identical complete diploid set of chromosomes
By contrast during Meiosis, what do daughter cells receive?
Moi
Answer: C
Explanation:
During meiosis, each chromosome will divide to give rise two diploid daughter cell, each daughter cell receives haploid set of chromosome.
What is meiosis ?Meiosis is the process where a single cell divides twice to produce four four haploid daughter cells which are otherwise called as gametes; It can occur in two substages such as meiosis I and meiosis II.
Humans have 46 chromosomes in every cell, where 23 chromosomes came from one of our parents and 23 very similar chromosomes that came from the other parents.
Meiosis I consist of substages like Prophase I where nuclear envelope disintegrates, Chromosomes begin to condense, Spindle fibres appear.
Secondly Prometaphase I where Spindle fibres attach to the centromere followed by Metaphase I where The homologous chromosomes align at the equatorial plate, Anaphase I where he homologous chromosomes move towards the opposite poles.
Telophase I where Spindle fibres disappear, Cytokinesis I where the cytoplasm and the cell division result in 2 non-identical haploid daughter cells.
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Energy is defined as the ability to
A. reproduce.
B. grow.
C. do work.
Answer:
its c
Explanation:
Answer:
C. to do work
Explanation:
while mutation is random, natural selection is not. In your own words, explain how this is possible
Answer:
Mutation is a alteration in the DNA sequence in a gene during cell divison iwhere gene is coded mitakeny or due to the error. Mutatio is a random process as it can not be determind or known befor bthechange in sequence what gene or DNA would be effected by it or what genes would be transfer from the parents.
Natural selection is a process where some of the traits that are helpful in the surviving and increasing the number of individuals in a population and transfer from one generation to other according the adaption and change over the long timeline. Thus, it is not random and based on the traits that are helpful in a environment or for the survival of
does the number of particles change as a substance changes it’s state?
Answer:
No
Explanation:
Only what state it is in, soild, liquid or gas. Particals never change duering this.
Which of the following is found in all organisms?
o chloroplast
O lysosomes
nucleoli
ODNA
5TH GRADE LEVEL QUESTION: Please look at photo and answer. “ What materials are commonly used to insulate thermal energy?
Answer:
I think wood is one of them
What is the common ratio of the sequence
6
,
−
3
,
1.5
,
−
0.75
6,−3,1.5,−0.75?
Answer:
3
Explanation:
Physical and chemical properties of
the earth
A. are the same in every layer.
B. are the same in the inner and outer core.
C. are used to distinguish the layers of the earth.
D. never change.
Answer:
B...................
Answer: C
Explanation: are used to distinguish the layers of the earth
C6H12O6 + 6O2 --> 6H2O + 6H2O
How many total atoms of oxygen are on the reactants side?
SELECT AN ANSWER
6
12
18
2
Answer:
18
Explanation:
6 in C6H12O6 and 12 (6×2) from O2
Therefore, 12 + 6 = 18
What is the PURPOSE of meiosis?
A. to make sperm & egg
B. to make food from sunlight
C. to make new boy cells
D. to make fertilized eggs
Answer:
to make sperm& egg
Explanation:
to make sperm& egg
Zacharias Jansen was known for being a spectacle maker and is credited with making the 1st
microscope.
True or False?
Answer:
True
Explanation:
Zacharias Jansen was known for being a spectacle maker and is credited with making the 1st microscope!
You and your friend want to see how changing the type of liquid (e.g. water, milk, orange juice) given to a plant affects how high it grows. What would be the independent variable in this experiment?
SELECT AN ANSWER
1)the type of plant used
2)the temperature of the air
3)the type of liquid
4)the height of the plant
Answer:Hi! It’s the type of liquid/third answer
Explanation:
This is the independent variable because it’s the component of the experiment that is being changed to measure the results.
Protists vary in structure and function more than any other group of organisms. However, here are some common traits: a.All have membrane-bounded organelles, and so are ___________________. b.Most are single-celled, or ___________________________. c.They get their food in several ways. Some contain chloroplasts and do photosynthesis, and so are considered __________________. Others ingest food particles and so are ____________________.
Answer:
a. eukaryotes
b. unicellular
c. autotrophs; heterotrophs
Explanation:
Protists represent a separate kingdom of eukaryotic organisms (ie., organisms whose cells have a nucleus). The most important features of protists include: 1- they are unicellular organisms, 2-contain mitochondria, 3-can be parasites, and 4-generally live in optimal conditions in moist or aquatic environments. In the past, protists were divided into Protozoa (animal-like organisms) and Protophyta (plant-like organisms), which nowadays we know are heterotrophic (also often parasitic) and photosynthetic protists, respectively.
Which statement best explains the relationship between cellular respiration and photosynthesis?
Please help!!!!!!!!!!!!!!!!!!!!
What would most likely happen to plant cells if the plant was watered with salty water?
A. Water will enter the plant cells until the large central vacuole bursts
B. The plant's root will filter out the right amount of salt so the plant can remain isotonic.
C. Salt crystals will form on the leaves as water evaporates on the leaf surface.
D. Water would leave the large vacuole of the cell and the plant will droop.
Answer:
option D
Explanation:
the plant will lose water because water moves out of the cell and the vacuole will leave the cell
Water would leave the large vacuole of the cell and the plant will droop if it was watered with salty water.
What is Vacuole?This is referred to as an organelle within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid.
In cases where the plant is watered with salty water, osmosis takes place which involves water leaving the vacuole and the plant drooping thereby making option D the most appropriate choice.
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A pea plant's seed shape is round. What can be said about this trait?
A. It is a recessive trait.
B. It is the phenotype.
C. It is the genotype.
D. It is a hybrid.
Answer: A. It is a recessive trait.
Explanation: In pea plants, seed shape and seed color are controlled by genes located on different chromosomes. Seeds may be round (R) or wrinkled (r), with the allele for round seeds being dominant. The student is asked to predict the offsprings' pea shapes (both round and wrinkled; all round; all wrinkled; or can't predict). Because the allele that produces wrinkled peas is recessive, the offspring of this cross will all have wrinkled peas.
Answer:
A
Explanation:
The onondaga contains an abundance of coral fossils, along with crinoids, brachiopods, and trilobites. Why are fossils of ferns, rushes, and primitive conifers unlikely to be found in these rocks
Answer:
Due to presence of water in these rocks.
Explanation:
The fossils of ferns, rushes, and primitive conifers can not be found in these rocks because these rocks are present under the sea millions of year ago. In this onondaga contains an abundant amount of coral fossils, crinoids, brachiopods, and trilobites due to their aquatic habitat. These organisms are present millions of years ago when this area comes under the sea so that's why the fossils of these organisms are present in these rocks.
Proteins are synthetic by the
Answer:
Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. ... After the mRNA is processed, it carries the instructions to a ribosome in the cytoplasm
What is Terminator technology
Which of these causes the day/night cycle on earth
Answer:
Day and night are due to the Earth rotating on its axis, not its orbiting around the sun. The term 'one day' is determined by the time the Earth takes to rotate once on its axis and includes both day time and night time.
Explanation:
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good luck
Answer:
Day and night are due to the Earth rotating on its axis, not its orbiting around the sun. The term 'one day' is determined by the time the Earth takes to rotate once on its axis and includes both day time and night time.
Explanation:
:) hope this helps!
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