Which side lengths form a right triangle?
a) 5,12,13
b) 4,4,8
c) 2,3,4

Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays

Identify the capital city of china at the time of the japanese invasion in 1937.japanese invasion of china, 1931-1937manchuria +beijing *chinananjing *shangai

What is the carrying capacity of an ecosystem for a given population? a. the total number of species in the ecosystem b. the total number of predators in the ecosystem c. the minimum population size in that ecosystem d. the maximum population size in that ecosystem