Considering the wavelengths of light shown below, the pigments in the granum absorb mainly in which range?
a. green, which is why plants are green
b. the infrared
c. the entire spectrum of white light
d. blue-violet and red-orange

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

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