Answer:
The main difference between red brown and green algae is that red algae contain chlorophyll a, chlorophyll d, and phycoerythrin, while brown algae contain chlorophyll a, chlorophyll c, and fucoxanthin and green algae contain chlorophyll a, chlorophyll b, and xanthophylls.
The statement “One of the first steps in harnessing geothermal energy is to drill a well into a geothermal reservoir.” Is true. The answer is letter A. The energy in the Earth’s crust comes from the formation of the planet and radioactive decay of materials.
Because we can’t tunnel down, so in order to study the interior layers, we must use indirect methods.
