I think it’s d .............!!!!!!!!!
In ecology, productivity refers to the rate of generation of biomass in an ecosystem. It is usually expressed in units of mass per unit surface (or volume) per unit time, for instance grams per square metre per day (g m−2 d−1). The mass unit may relate to dry matter or to the mass of carbon generated. Productivity of autotrophs such as plants is called primary productivity, while that of heterotrophs such as animals is called secondary productivity
Answer:
The answer is letter D
Explanation:
Light has no effect on seed growth. Because there is no meaningful growth in the presence of light.
according to the theory of plate tectonics, the continents are embedded in lithospheric plates. as these plates move, they carry the continents with them. the ocean basins are part of lithospheric plates as well. identify the weakness in weneger's continental drift hypothesis.
