Chemistry Middle School

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

Answers

Answer 1

Answer:

Uhh when I sleepwalk I guess I talk to my parents randomly and get in to stuff and I find it Hilarious what about u

Explanation:

Answer 2
I peed my self every day in kindergarten cause I had a peeing problem

Related Questions

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

Answers

B:Creates energy through fusion reactions
b it creates energy through fusion reactions and d

Why is deforestation an issue for the climate?

Answers

Answer:

They are bad because they cause global warming.

Explanation:

When trees are cut, burned down, or are allowed to rot they release carbon dioxide. As you probably know carbon dioxide is very bad and can cause global warming.

Deforestation is an issue for the climate because the trees contain oxygen and we get most of our oxygen from them. If we have less and less trees that means less and less oxygen. We need oxygen to breathe. Deforestation will take that from us.




Basically , the carbon dioxide leading up to our fresh air is toxic gas and we don’t need to be breathing all that in. It’s not good for our long or long-term in general.

Hope this helps!

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

Answers

Answer:

1: carbon dioxide

2: As hydrocarbon fuels (i.e. wood, coal, natural gas, petrol and oil) are burnt, carbon dioxide is released. During combustion or burning, fossil fuel carbon mixes with oxygen in the air to create carbon dioxide and water vapor.

Explanation: hope it helps

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.

Answers

Answer:

A.   C.  

Explanation:

I think it’s a and c

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

Answers

Answer:

the rain

Explanation:

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.

Answers

Answer:

c. they use the energy stored in plant food.

Explanation:

animals eats a plant it gets it's plant-based energy indirectly from the sun.

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

Answers

Answer:

they need to do their research

Answer:

test their solution, so they'd be sure it would solve what they want it to solve and not cause more problems.

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

Answers

Answer:

C i think

Explanation:

i,iii, and iv i think

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

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

Answers

Answer:

A

Explanation:

Answer:

C.

Explanation:

Velocity, height

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 :

Answers

rainforest as I contains, caves, caverns, semi-tropical, subtropical, and temperate areas.
rainforest have the greatest biodiversity because they are abundant in nutrients and energy.

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.

Answers

the difference is the type of electrolytes used in both batteries zinc batteries are mostly composed of ammonium chloride while alkaline batteries use potassium hydroxide hope that helped

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?

Answers

The answer is c I believe.

Help asap plz! Actual answers plz!

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

Answers

Answer:

An example of action is there is a fire and reaction is you running

Explanation:

A example of an action is that she left in a hurry and a reaction iron and oxygen combining to make rust
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