Answer:
Las tierras bajas están sustentadas principalmente por rocas que se erosionan con ... Valle, pero han sido separadas por la sección Gettysburg-Newark Lowland. ... que divide la provincia de Ridge y Valley de la meseta de Allegheny. ... rocoso hacia el noroeste, en la dirección de los glaciares en retirada.
Explanation:
I believe it is "All living organisms are composed of cells."
Answer:
Both solar and wind power need to be affordable for people to have them at there homes. They also need to offered to people because some people don’t know about solar or wind energy. Another thing about solar and wind energy is that it has to be safe and professionally installed for it to be safe.
Explanation:
Answer:
Although all of the options are important but the best reason is
a) Nitrogen is an essential part of biological molecules such as proteins and nucleic acids (DNA).
Explanation:
- Nitrogen is an essential component of building blocks of life that are DNA, RNA and Protein. It is also needed for the production of chlorophyll. We can say there would be no life without nitrogen.
- Air we breathe is 78% nitrogen but that is in inert form (N2) and we can't use it.
- Nitrogen cycle is the process by which nitrogen circulates into various forms of nature and it make the nitrogen useful to carryout life.
