For many species, there are often regional differences in their genes, although most of the time this differences aren't noticeable in their outward appearance.
The aquifer which will be most effective in purifying polluted ground water is AN AQUIFER COMPOSED MAINLY OF SAND.
An aquifer refers to a zone of permeable rock strata which transmit ground water freely. An aquifer must be permeable and porous. Ground water can be extracted from an aquifer by using a water well.
Answer:
The answer is D Each part is connected to all the others
Explanation:
While each part is different they interact with eachother to exchange matter and make life possible :) Hope this helps!
Answer:
A
Explanation:
I believe its a because the nuclear envelope dissolves is one of the first things that happen and chromosomes form.
