Photosynthesising primary producers require sunlight. Therefore, in the ocean, phytoplankton would be concentrated within the surface layers of the ocean where the sunlight penetrates. Phytoplankton support a wide range of marine life: zooplankton feed on phytoplankton, which in turn support fish and so on.
Because these volcanic activities happen on plate tectonics.
This is not the best answer but I hope it could help you.
<h2>Answer:</h2>
The two important uses of biotechnology is the gene therapy and Genetic engineering.
<h3>Explanation:</h3>
- Gene therapy is the manipulation of genes in the genetic make up of an individual to eradicate the inheritable genetic disorders.
- The second use is the genetic engineering. Which is the genetic changes of an organism or micro organism to produce a desirable product.
- For example the transfer of human gene into bacteria for the production of insulin.
- Biotechnology is also used in the diagnostic techniques of genetic disorders.
Answer:
C
Explanation:
scientists use carbon dating to see how old things are :)
<span>D. the crust
Thats the surface of the earth.</span>
