D mantle
The mantle swells up in response to the plate moving
Density is mass per unit volume:
d = m/v
In this case the density would be 2kg/10L which works out to 0.2kg/L.
Well in most ecosystems, all the energy in the food chain originally comes from the sun. Plants absorb carbon dioxide from the air and using energy from the sun, the plants turn it into glucose. Then the glucose is transformed into ATP inside the bodies of animals
Answer:
Crossing over occurs during prophase I of meiosis before tetrads are aligned along with the metaphase I.
