What is the purpose of biofertilizers?
a.
reduce pollution
b.
reduce insect threats
c.
reduce erosion
d.
reduce herbicide use

Ausable water source is one that can be used by humans for drinking or agriculture. identify the water reservoirs as usable or unusable based on their current state. oceans rivers glaciers freshwater lakes groundwater

Match the description of each organism to the appropriate category

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs