Answer:
a. True
Explanation:
The gases that we study are governed by different laws of physics. Gases behaves according to some given set of laws like the Universal gas laws, Boyles law, Charles law, Gay Lussac's law and many more.
But we do not see a definite pattern or rule when we study solids or liquids. The behavior of the solids and liquids are not described by the set of laws which are applied regardless of the identity of the substance.
Answer:
Physical Changes:
Let's say during your camping trip you stepped on a twig. This would be a physical change.
Let's also say that while there, you accidentally stepped on a flower, causing it to fall off of it's stem. This would also be a physical change.
Chemical Changes:
Let's say you start a fire using wood that you got from this rainforest. Since the act of burning something is a chemical change, this would apply.
Let's also say you forget a banana peel there. After a while, it would start to rot. And since rotting is a chemical change, this would apply as well.
Explanation:
Hope this helps!
Talc is not a good choice when building a statue because the mineral Talc is one of the weakest minerals on the Mohs Scale with a hardness of 1 since it could be scratched by a fingernail, which means that when people build a statue with Talc, it could be easily broken down.
Answer:
Using my searching skills, the answer is motor neurons.
Explanation:
Motor neurons carry impulses from the brain and spinal cord to muscles or glands.
