Science!
in an ecosystem, which is not a density-
dependent limiting factor?
a) predation
b) parasitism
c) competition
d) natural disaster

How many major plates cover the earth

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures