Explanation:
cells, tissue, organs, organ system chemicals, human body
A community that runs out of food can import food from other communities, recycle its water and waste.
<h3>What are resources?</h3>
Resources are those things needed by man and other living things to survive.
The most important resources required by living things are food, water and shelter.
A community that runs out of food can import food from other communities, recycle its water and waste.
Therefore, by careful conservation of resources, a community can continue to provide the resources needed by its citizens.
Learn more about resources at: brainly.com/question/1290230
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A.) Guanine = 45
B.) Adenine = (100 - 90 )/ 2 = 10/2 = 5
Hope this helps!
Catalysts or if it’s in the body it’s usually a biological catalyst called enzymes, all catalysts speed up reactions without being changed or changing the reaction
