Answer:
1.true2.true3.true
Explanation:
sorry not sure about this answer
The answer is the first one
Edit
Viruses reproduce within the living cells of the host and use the cellular machinery to synthesize their own genome and other components. To gain entry into cells, they have developed a variety of mechanisms to introduce their genes and proteins into host cells.
A verified animal source such as animal planet or any website that doesn't have ads and has accurate info
Adrenaline which creates the “fight or flight respond” basically amplifying the function of many of the body’s internal parts to allow someone to escape from a lion.