20.4 21.3 are the correct answers
Answer:
C Noise pollution
Explanation:
because organisms create noise.
Answer:
Responses may vary but should include some or all of the following information:
Aggression is a verbal or physical behavior that is intended to harm. Violence, on the other hand, is an aggressive behavior whose purpose is to abuse or harm another. An action can be aggressive without being violent, such as when one spreads gossip about another person. However, all violent acts are aggressive by definition.
Explanation:
Hello,
Here is your answer:
The proper answer to this question is "vacuoles are used to clean the cell for example a child cleaning his or her room they would put his or her toys into a closest and that was a vacuole does it cleans up things in a cell and keeps them stored into there like a closest".
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In hemophilia A it’s caused by a mutation in the gene for factor VIII. Hemophilia B is a result in a deficiency in factor IX due to a mutation in its corresponding gene.
In both cases, it is a mutation in the DNA (the macromolecule).
