Which substance is a nucleic acid?
a. amino acid
b. fat
c. polysaccharide
d. rna

RNA

Explanation: Nucleic acid can be defined as the biopolymers  which is known to be the most essential for all the life forms on the earth.

Nucleotides that are present in the nucleic acid are the monomers that is made up of 5 carbon sugar, nitogenous base, phosphate group.

If the sugar is ribose sugar then it is known as Ribonucleic acid. They are found in all the living components as the genetic material that transfers the information from parents to their children.

correct answer: biotic and abiotic limitations

carrying capacity is defined as the total number of an organism who can be supported in a given area within the natural resources limit and without harming or degrading the natural, economic or the cultural environment present for the future generations.

carrying capacity is determined by the limiting factors, which are known to affect the natural resources available. it may include water, nutrients, minerals, space, light etc.

explanation:

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