Should be carpentry tools
Ecological efficiency is the term used to describe how much energy will be passed from lower food pyramid level into the higher level. The amount of energy in primary level will be much higher than tertiary. The difference of level of tertiary(3) with primary(1) would be two level.
Assuming that the ecological efficiency is 10%, then the <span>primary consumer level would be: 50 kcal * 10^(3-1)= 5000 kcal</span>
Because of Van Der Waals force the water molecules attract each other and stick together ...
Answer:
B. a nucleus
Explanation:
cell walls and chloroplast are both found in plant cells, not in animal cells
Explanation:
Condensation is the change from a vapor to a condensed state (solid or liquid).
Evaporation is the change of a liquid to a gas.
