PLEASE HELP! Explain how cancer is formed

Cholera is a bacterial infection of the small intestine. vaccination provides protection against cholera. the cholera vaccine is made up of weakend form of the bacteria that causes cholera. the vaccine will stimulate blank production and elicit an immune response. if the infection occurs again, the bodynwill produce an even greater attack on thre bacteria because of blank.

Around 50,000 rainforest species go extinct every year. select the best answer from the choices provided t f

Amuscle producing almost peak tension during rapid cycles of contraction and relaxation is said to be in