Answer:
D
Explanation:
The trout are disappearing from the river because of the thermal water pollution, which is causing the high water temperatures.
The answer is a hair root.
Nuclear DNA is commonly extracted from the hair root. The hair root consists of keratinocytes. Keratinocytes are cells found in the epidermis. As all other cells, they contain DNA material. When keratynocites die, they get converted into keratoid material in the process of cornification. As a consequence, d<span>ead cells do not contain DNA material. Therefore, the hair root is the best source of nuclear DNA than shed or cut hair when working with hair sample.</span>
I think it’s C explanation : i learned this a while ago
To break a condensation bonded bond between two molecules
Answer:
1.2 stands for 2 atoms of hydrogen and 1 atom of oxygen
2.carbon and oxygen
3.
4.
5.
6.