The answer is A.
b and c are opinionated and Star signs aren’t scientifically proven.
Answer: Option b
Explanation:In chemistry,
before any reaction would occurs, reactat must be able to overcome some certain amount of energy which is called the activation. The activation energy is usually the heat that is suppled.it is also refered to as the minimum energy needed before any reaction can take place. For reaction to take place, there must be an equilibrium( at constant temperature and pressure.
Answer and Explanation:
There are various processes that are part of the water cycle:
- Precipitation: any kind of product that falls from the clouds
- Condensation: when a gas turns into a liquid
- Evaporation: when a liquid turns into a gas
- Transpiration: the evaporation of water from plants' leaves
- Runoff: the water that drains down from a source
Hope this helps!