(Question)
You are presented with the question "what harms others?" and the following answer choices: - aggression - cells - smoking tobacco - water - smoking - killing insects - oxygen - cigarettes Now knowing that aggression is behavior that is intended to cause harm or pain and behaviorally, aggression is any behavior whose intent is to intimidate or harm another animal, choose the best answer.
(Answer)
aggression

(Question)
You are presented with the question "What is the chemical element with symbol N and atomic number 7 found in?" and the following answer choices: - Chlorophyl - Petals - Mitochondria - A Greek letter - Cytoplasm - acetic acid - Acids - fossil fuels Now knowing that nitrogen is found in proteins, nucleic acids, and chlorophyll and absorption of nitrogen by plants is part of the nitrogen cycle , choose the best answer.
(Answer)
Chlorophyl

(Question)
You are presented with the question "What can roundworms do?" and the following answer choices: - killing insects - Make money - survive - Start fires - Harm hosts - Harm themselves - protect them - reproduce Now knowing that roundworms may be free-living or parasitic and internal parasites harm their hosts in many ways, choose the best answer.
(Answer)
Harm hosts