marine mammals, which are air breathers, can swim for hours at the surface of the water with minimal negative affect. If they dive deeper in the water for periods of time they are lost likley in pain. Explain why there would be such a difference?

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.