Which of the following describes the second law of thermodynamics?
matter is neither created nor destroyed
all natural processes tend to move toward disorder.
energy is neither created nor destroyed
none of the above

Which of these best describe conduction? a. transfer of heat between two objects that are touching b. transfer of heat by the actual movements of warmed matter c. the process in which energy is emitted by one object, transmitted through space, and absorbed by another d. the process in which energy is released by molecules

Do plant cells perform cellular respiration?

The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?