Answer: Decrease, i'm sorry i don't know the other one
Explanation:
Answer:
1:1
Explanation:
Purines: adenine (A), guanine (G)
Pyrimidines: thymine (T), cytosine (C)
Totals:
![\left[\begin{array}{cccc}A&T&G&C\\82.4&80.8&69.1&68.4\\\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7DA%26T%26G%26C%5C%5C82.4%2680.8%2669.1%2668.4%5C%5C%5Cend%7Barray%7D%5Cright%5D)
![\left[\begin{array}{cc}Purines&Pyrimidines\\151.5&149.2\\≈150&≈150\\ \end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7DPurines%26Pyrimidines%5C%5C151.5%26149.2%5C%5C%E2%89%88150%26%E2%89%88150%5C%5C%20%5Cend%7Barray%7D%5Cright%5D)
Answer:
I think it is B) human genome project or C) harmful mutations
rocks can become soil in multiple different ways one could be primary succession which means some algae or moss grows onto rocks with out soil then they slowly gain moisture which attracts some other plants like flowers which then breaks down the rock into smaller things then grasses come in and turns it into soil.