Answer:
Explanation:
The nitrogenous base sequence of the DNA is responsible for carrying the genetic information needed to code for proteins and many features of multicellular organisms.
Answer:
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Answer:
Increases
Explanation:
Biomagnification refers to a phenomenon in which the harmful toxic chemical gest magnified or amplified or increases in the food chain trophic level.
The biomagnification is caused by the bio-accumulation of the toxic material in the organisms.
The harmful toxic chemical enters the food chain through eating like when the crops are sprayed with pesticides and insecticides runoff in the water. From there the toxic material enters the aquatic food chain like from the planktons to fish and then to vultures.
The organisms at higher trophic level die because of the accumulation of the infected lower trophic organisms.
Thus, Increases is the correct answer.
Fluorine, iodine and bromine are all in the same group. Fluorine been the first element in the group has less number of electron orbitals compare with bromine and iodine. Bromine and iodine has D orbitals which can take part in their bonding activities, this allows the elements to bond in a variety of ways, but fluorine does not have the D orbital and therefore is limited in its ion formation. <span />