While on safari in serengeti national park, tanzania, your friend ventures away from camp and is bitten by a black widow spider. fortunately, you are prepared and administer artificially acquired passive immunity. with what did you inject your friend?
a) antigen
b) antivenin
c) snake venom
d) penicillin

How many types of rock can form from the rock cycle

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one