Answer:
chemical change
Explanation: the acid in your stomach changes the food you swallowed into sum else and you cant reverse it, think of it like toasting bread, once it's toasted you cant turn it back to regular bread
Answer:
Adenosine triphosphate (ATP). ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.
Tropopause is the boundary between the troposphere and stratosphere.
Explanation:
- Tropopause marks the transition region between troposphere and stratosphere.
- As we move up from the Earths surface , the temperature gets colder but when we reach the tropopause the temperature becomes constant and the temperature does not fall further.
- It is at a height of about 9Km at the polar region while at a height of 17 Km at the equitorial region.
Options not given but
Clouds at medium altitudes are made of ice crystals.
As the mid-level clouds form ice crystals when the temperature is cold.
hope it helps
