The principle difference between where salt marshes and mangrove forests grow is
a.
the salinity of the water
b.
the amount of sunlight the plants receive
c.
the intensity of the waves along the coast
d.
the extent of human development in the area

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

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.