Which of the following changes of states are exothermic and endothermic? (Choose 2 exothermic and 3 endothermic processes.)

Answer:I think that the exothermic things are vaporization and melting and the endothermic things are freezing, sublimation, condensation.

Explanation: Why? Because two of them have to do with hot and the other three have to do with cold

Help asap plz! Actual answers plz!

Describe an example of an action and reaction. Identify the forces and their directions.

What is the largest contributor to the greenhouse effect?

Help me guys I don’t know this answer all of this

Examples of microhabitats could be a rotting tree stump or a dead animal. List 3 microhabitats.

What’s the most historic thing that has happened in your lifetime?

Why is deforestation an issue for the climate?

Destiny is a physical property of matter and can be used to classify substance, Destiny
is calculated by which of the following
A. d =v/m
B.d =m/v
C.d =m/w
D. d =w/v

Isopropyl alcohol is a clear liquid with a density of 0.78 g/cm3. If the same small sphere (with a density of 0.88 g/cm3) is dropped in a beaker of isopropyl alcohol, predict whether the sphere will float or sink?

Please Help Me!!
Zn + 2HCl --> ZnCl2 + H2 Which of the following provides the best evidence that this reaction follows the law of conservation of mass?

If you push on an object with great force, but it does not move:

a. no work is done
b. a great amount of work is done
c. a small amount of work is done
d. energy is created

What's the difference between climate change and global warming?

Daniel is testing objects for his science experiment. He has a chart listing the mystery objects' densities, but no other information. He places each object in large bowl of water in order to determine if any float. Which of the objects, if any, will float?

A.Object B
B.Object C
C.NONE of the objects will float.

To see if it works like they want it to, engineers need to Question 3 options:

test their solution
define their problem
do their research
design their solution

Can you please help me

PLZ HELP ME THIS IS ACTULLY SCIENCE BUT PLEASE HELP MEEE
Which of the following are characteristics of soft money? i. donations from individuals and interest group PACs ii. unregulated by the Federal Election Commission iii. goes directly to a political candidate iv. can be used for advertising or other campaign expenses
A. i, ii, iii, and iv

B. i and ii only

C. i, iii, and iv only

D. ii, iii, and iv only

Please select the best answer from the choices provided

_____ is when the amperage put over a wire or circuit is more than it can handle.

WILL GIVE BRAINLIEST! What greenhouse gas most controls the temperature? And when is it released?

Choose all the answers that apply.

The sun _____.

a. creates energy from fission reactions
b. creates energy through fusion reactions
c. transfers heat through radiation
d. is made of hydrogen and helium
e. uses its own mass to create energy

What is an important characteristic for chemicals released into the environment used to seed clouds?

What are some causes of climate change?

Which set of terms best defines what affects kinetic energy and potential energy, respectively?

position, gravity
gravity, velocity
velocity, height
height, position

Plz help! The best answer will get brainliest!

What is the net force acting on an object?

Which of the following statements is true?

a. Kinetic energy depends on mass and speed.
b. Heat and temperature are the same.
c, Atomic energy is the energy in chemical bonds.
d. Work can only be done with potential energy.

Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas


A:Some of the chemical energy in the natural gas transforms into thermal energy, which heats the water. Then some of the thermal energy changes into sound energy when the water forms steam and the steam leaves the kettle.

B:Some of the electrical energy in the natural gas transforms into thermal energy, which causes the water to form steam. Then some of the thermal energy changes into sound energy and light energy when the steam leaves the kettle.

Who inspires you? Who do you aspire to be like?
Shark diving, bungee jumping, or skydiving?
What's your favorite cheesy pick-up line? Have you ever used it in real life?
What's your favorite Disney movie?
What is the weirdest scar you have and how did you get it?
Where did you and your best friend meet?
Which of your accomplishments are you most proud of?
What's the weirdest Wikipedia rabbit hole you've stumbled down?
Tell me about the best vacation you've ever taken.
What's your favorite physical attribute about yourself?
Friday night—would you rather stay in or go out?
Do you believe in ghosts?
What piece of art (book, music, movie, etc.) most influenced the person you are today?
Which would be harder for you to give up: coffee or alcohol?
What's the single best piece of advice you ever received?
Who's your best friend, and what do you love about him or her?
What's the greatest risk you've ever taken?
If you had 24 hours to do whatever you wanted in this city, what would you do?
What do you like about where you work?
What hobby have you always wanted to develop?

How do animals receive the sun's energy?

a. They use the sun's energy to make food.
b. They store solar energy in their bodies.
c. They use the energy stored in plant food.

Coastal waters in cool, humid areas where fresh water rivers run into the ocean tend to have lower ____________________.

Compare and contrast the alkaline battery and a Zinc carbon battery. put in some other facts about them too. write somewhere around 2 paragraphs.



I'll mark brainlyest to whoever has the best answer and give them 50 points for helping me.

PLEASE HURRY!!!!!!!
Which of the following provides evidence to support Vine-Matthews-Morley's first scientific test of the theory of seafloor spreading?

Fossils of the same plants and animals found in different seas
Change in the magnetic orientation of rocks found under the sea
Continents look like puzzle pieces that can be fit into one another
Symmetrical pattern of magnetic stripes in the crust on both sides of the mid-ocean ridge

Which biome has the greatest biodiversity, and why?
MY TEACHER ASKED ME THIS AND WE HAVEN'T EVEN LEARNED ABT THIS!!! PLS HELP I WON'T ACCEPT FAKE ANSWERS I WILL FLAG THEM AS FAKE :