Answer:
easy ......
This statement means that the flow of nutrients is not unidirectional in an ecosystem, i.e. the nutrients do not flow in one direction. ... Example: Nutrients that are passed on from the plants to herbivores and then to other organisms are recycled back into the atmosphere after that organism.
Answer:
Metamorphic rocks underground melt to become magma. When a volcano erupts, magma flows out of it. As the magma/lava cools it hardens and becomes igneous rock.
Explanation:
So alot of HEAT
An atomic battery serves the purpose of being a very long lasting battery without a nuclear chain reaction. Like any other battery, it's used for electricity.
I believe the answer you're looking for is photosynthesis, where plants release oxygen and humans use this to release carbon dioxide to the plants.
Answer:
(A) RNA like DNA is a carrier of genetic information and contains the nitrogen bases adenine, guanine and cytosine.
Explanation:
RNA is a single stranded molecule which is replicating molecule that plays its role evolution of different stages. DNA is double stranded molecule that is stable under alkaline conditions and perform various functions in different body parts. RNA provides template on which DNA nucleotides assemble.