The big bang theory states that 1.the universe will explode 2. the universe is contracting 3.the universe cannot expand anymore 4.the universe began as a small, dense ball of matter

4.

Explanation:

The universe began as a small, dense ball of matter. Gravity pulled it into itself, causing and explosion, hence the "big bang" Please mark brainliest! And ask more questions if you need!

d

explanation:

the higher the instrument the better

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics