Well for one, we used coal for electricity, water for steam engines when they were much in use, natural fossil feuls for our gasoline and oil, and we use earths oxygen/nitrogen gasses to breathe and sadly we are polluting it at a fast rate
Answer:
The mitochondrial DNA (mtDNA) is passed down from the mother to the children almost unchanged. The analysis of mtDNA has provided the forensic scientist with essential tools for determining the source of DNA that they have recovered even from small biological samples. Thus, the answer to the question above is letter B.
Explanation:
<em>a gamete carries one allele for a gene.</em>
Answer:
Your nails are made of keratin. Keratin is a type of protein that forms the cells that make up the tissue in nails and other parts of your body.
As you move toward the core pressure increases as there is more grabs too also pressure being placed on it and there is more weight of the other layers weighing down on it
