Picoplankton may account for up to 80% of all the photosynthetic activity in some parts of the open ocean. a. True
b. False
Only about 2% of the energy of sunlight absorbed by a diatom can be converted into the energy of carbohydrate chemical bonds.

a. True
b. False
Chlorophyll is a green pigment and thus absorbs best in the green wavelengths.

a. True
b. False

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.

answerscaffolding proteins;