Answer:
There are three basic types of freshwater ecosystems:
Lentic: slow moving water, including pools, ponds, and lakes.
Lotic: faster moving water, for example streams and rivers.
Wetlands: areas where the soil is saturated or inundated for at least part of the time.
Metrology. evolution biology
Plants and Animals were grown and bred I believe.
carbon, the fundamental component for all the macromolecules.
Answer:
Cement
Cement is made by heating powdered limestone with clay. Cement is an ingredient in mortar and concrete.