Plz help I can’t get the answer for prompt 1. The letters “T” & “A” are in bold font. I’ll give brainliest and Thanks!

Which of the following are the functions of the skeletal system? blood cell production in soft marrow tissues and mineral reserves largest organ of the body for defense and support vitamin d production and pumping blood through vessels voluntary movement and contractile movement

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine