The upper arm bone is the claveical
Answer:
<em>Observations</em><em> </em>
Explanation:
When you observe you get to learn better and faster
Answer:
Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. This extra carbon dioxide is lowering the ocean's pH, through a process called ocean acidification.
Explanation:
Thymine, cytosine, guanine and adenine