Answer:
The appendix is a warehouse for symbiotic bacteria for the digestive tract after an illness. it then "reboots" the digestive tract by giving it the bacteria to help it recover.
Explanation:
The true purpose of the appendix is uknown, however this is a hypothesized function that invovles it with the digestive system.
<u>Answer;</u>
C) organic matter; rocks.
The uppermost horizon, horizon O, in this profile is composed mostly of <u>organic matter</u>, while the lower horizon, horizon C, is composed mostly of <u>rocks.</u>
<u>Explanation;</u>
-Soil contains the following major horizons, that is A B and C. Some soils may have horizon O, which may be thin or thick or even lack in some soils. This O horizon is found at the surface of many soils and normally contains organic materials at various decomposition stages. these are materials such as plants, leaves and bugs.
-C horizon is the layer that is below the B horizon. It contains larger weathered fragments or broken up-bedrock.
Expiration is when food goes bad and idk how to help sorry
The answer is “C”. Natural selection is about ones traits being better than another’s which allow it to survive in the wilds longer.