Answer:
n is an even number if and only if it's divisible by 2.
Explanation:
Biconditional statement is a type of statement which is only written when the both segments of the sentence are true. For writing biconditional statement, ''if and only if'' words should be used. For example, the two sides of the triangle are same if and only if both have same length. The biconditional statement considered as true if both the segments are true in nature. Symbolically, it is denoted by double arrows between two symbols.
Because it is excessive richness in a body of water, due to frequent run off. It can cause death to plant and animal life due to lack of oxygen
Answer:
The first one Yes
The second one
This Would be possible because in real life you could possibly get back some dna off a dino bone and the hire a really good scientist this would be hard to do and would be a long proccess but this is why I think this
(A) nerve cords, because adults lack a notochord (a dorsal hollow nerve cord).
The statement that best describes a human influence on the biogeochemical cycles is A) increased eutrophication caused by high levels of nitrogen and phosphorous.
