Last option sorry if it’s wrong bae
Yes, as scientists could figure out what might have changed in the variables she used. Brainliest me and I can give you the whole system.
I believe the correct answer would be <span>variation. The definition of variation in biology means,</span><span> any difference
between cells, individual organisms, or groups of organisms of any
species caused either by genetic differences or by the effect of environmental factors on the expression of the genetic potentials. So i think that organisms can also be classified as variation. Hope this helped. ♥ ☺
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Answer: water, wind, volcanic rock, sand, and other stuff that can pile up basically.
