Answer: Thermal energy refers to the energy contained within an object that changes its temperature. Heat is the energy of thermal energy. A chemical change happens when one substance and another substance form into two or more different substances.
Answer:
Living things respond to the environment.
Explanation:
John's body is responding the the cold environment by shivering.
Answer:
- A star’s final stages of life depend on its mass
- Stars die when they run out of fuel
Explanation:
Stars die differently when their core can no longer fuse atoms, depending on their solar masses. The very big stars are able to burn helium into carbon and some able to fuse even carbon. The big stars die to form neutron stars and supernovas. Stars of low solar masses die out by forming white dwarfs.
Answer:
False
Explanation:
Many species may be affected by human activity in several ways such as pollution, hunting, overfishing, etc.
