When researchers are measuring plant productivity, they usually harvest and measure above-ground biomass. but with grassland plants, it is common to find that most of an individual's biomass is in its root system. why don't researchers measure below-ground biomass as well? group of answer choices

c. genetic engineering

explanation:

the answer is otpion c) understanding

he wants to be heard one more time. he wants to be understood. he needs the truth one more time.

answer; i believe the answer is (polygenic inheritance;

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.