The nucleotides in DNA contain four different bases, those of which being nitrogenous bases.
The four bases are:
1 - Thymine
2 - Cytosine
3 - Adenine
4 - Guanine
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Hey the answer to this question is Covalent bond.
Answer:
peer review
Explanation:
In science, results or findings from an experiment are usually published in journals. However, before they can be published, they have to undergo series of confirmation. One way to do this is to have several other scientists examine the results before finally publishing it. This is called PEER REVIEW.
PEER REVIEW is the process whereby an article that is about to be published in a scholarly journal is reviewed by researchers or scientists from the same field of study as the original scientist in order to ascertain the quality and validity of the result or findings. A peer-reviewed article is deemed to be of a very high quality.
The forms of pollution that each energy source cause include air, land, water, and even space and noise pollution.
The economy influences energy source choices by the cost efficiency consideration of choosing an energy source. There must be enough money to run the energy production and maintain the energy source.
Location influences energy source choices in such a way that different locations offer different availability of different resources.<span />
