Answer:
Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus
Explanation:
Proteins are mainly made up of amino acids. The basic structure of amino acids is that they have a carboxylic group, amino group and side chain. The carboxylic group is mainly Carbon, Hydrogen and Oxygen. The amino group is mainly Nitrogen and Hydrogen. The side chains are unique per amino acid having different elements including Phosphorus.
1. i
2.a
3.d
4.b
5.e
6.c
7.g
8.f
Answer:
The answer is #2. Subduction Zones
Dots and where the number at my guy
http://www.answers.com/Q/Why_is_carbon-14_not_used_to_date_the_age_of_the_earth?#slide=1
This might help you, good luck!!