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aleksandr82 [10.1K]
2 years ago
10

A chemical reaction is the only way to an

Physics
1 answer:
Klio2033 [76]2 years ago
7 0

Answer:

B: Pure Substance

Explanation:

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So I don’t really get it can you also explain what’s the difference between radiation,conduction, and convection?
Slav-nsk [51]

Answer:

I think its radiation

Explanation:

Conduction is the transfer of heat through solids (A)

Convection is the transfer of heat through liquids or gasses (B)

Radiation is the transfer of heat through em waves (C)

5 0
3 years ago
Pls help ASAP. This is astronomy but there isn't an option :)
marin [14]

From largest to smallest they are: Universe, galaxy, solar system, star, planet, moon and asteroid.

Explanation:Let's describe them from smallest to largest. In fact the size order is not exact as there are exceptions.An asteroid is a rocky body which lies in the asteroid belt between Mars and Jupiter. They are typically quite small object. The largest asteroid Ceres has been reclassified as a dwarf planet.A moon is typically a rocky body which is in orbit around a planet. Some moons such as our Moon are quite large and are typically bigger than asteroid. Some moons can actually be smaller than some asteroids.A planet is a nearly spherical body which is in orbit around the Sun. Planets are larger than moons.A star is what planets orbit around. It is the source of light and heat. Our Sun is a star which is many times bigger than all of the planets.A solar system is a star and all of its planets, asteroids, comets and other bodies. It is significantly bigger than a star.A galaxy, such as our Milky Way Galaxy, is a collection of solar systems orbiting around a central core. Most galaxies have a supermassive black hole at their centres.Galaxies also form clusters which are large scale structures.The universe is everything. It contains billions of galaxies. Lots of information RIGHT!!!!

YOUR VERY WelCoMe!!!!           :) :) :) :) :0 :)

7 0
3 years ago
Which of the following is a unit of rotational speed?
gladu [14]
C. Rotations per second
Or normally we'd use Radians Per second  

_Brainliest if helped!!
3 0
2 years ago
True or False:
bekas [8.4K]
I think it false. Sorry if i'm wrong.

5 0
2 years ago
Read 2 more answers
Why is it important to understand forces?
yanalaym [24]
If people never learned forces, there would be a major gap in the world and how it works, let alone in physics...
as much as you don't wanna admit it, force is everywhere and you see it if not use it EVERY day in your life, something as simple as driving a car down the street or too school, your using force of your wheels to move your car, which is moving you
3 0
2 years ago
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