Answer: Chemical changes are different from physical changes because chemical changes have a chemical reaction.
Explanation: A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Often, physical changes can be undone, if energy is input. It's on google.
Answer:
Explanation:
When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP). Likewise, energy is also released when a phosphate is removed from ADP to form adenosine monophosphate (AMP).
All Living organisms have a shared ancestor deep in the past, so all living organisms are related to some degree. We share 99.8% DNA of monkeys, but we also share 24% DNA with lettuce. If all living organisms are related , than their genetic code is universal.
Answer b is the best example