Answer:
Melting mountain glaciers
Explanation:
This is the answer because some of our fresh water is in ice caps/glaciers so we will loose fresh water and we will not have fresh water to drink so the planet earth will not have water.
The best answer is c) trust me
Light?
I think. Hope that helped.
In population genetics, directional selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype
Matthias Schleiden and zoologist Theodor Schwann determined that all living things were composed of cells
