Enzymes that cleave nucleotides from the ends of a dna molecule are known as what?

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

In a vegetable garden 45 bean plants have been eaten by deer 5 are untouched what is the frequency of bean plants in the garden that have been eaten?

Abird is flying in the air at a 4 m/s. if the mass of the bird is 7kg what is it’s kinetic energy