14C (carbon-14) can be used to date a 20,000 year old skeleton
Answer:
D. All of the above I think
Explanation:
Pesticide could be a biological hazard for sure.
B because sun is the jey word hope tuis helps and if not im sorry hope this helsp
Answer:
Quaternary Protein Structure
Explanation:
It's a tri structure made up of two or more separate polypeptide chains that work together to form a single functional unit. The – anti interactions and disulfide bonds that stabilize the resultant multimer are the same as in the tertiary structure.
