I believe A. Nitrogen is the most abundant Gas.
<span>Physical weathering is a term used in science that refers to the geological process of rocks breaking apart without changing their chemical composition. Over time, movements of the Earth and environment can break apart rock formations, causing physical weathering.</span>
It is true that dead zones in waterways can occur as the result of fertilizer runoff.
The answer to this question would be: 14%
Protein will give a calorie about 4kcal/gram. Then, the total calorie of protein from Susan meal would be: 70 grams * 4kcal/g= 280 <span>kilo calorie</span>.
To find the percentage you will need to divide the total calorie diet with the protein calorie. The calculation would be:
protein percentage= protein calorie/ total calorie
protein percentage= 280kcal / 2,000kcal = 14%