<span>The proportion of dissolved salts to pure water in the ocean is known as salinity. This is commonly measured in parts per thousand. For example, if the salinity of an ocean is 35 parts per thousand, or ppt, this means that in every kilogram, or 1000 grams, of ocean water, there are 35 grams of salt present. The higher the quantity of parts per thousand, the saltier the water, which also means the higher the salinity.</span>
Answer: possibly A
Explanation: B an C are not it because they are more like mutations. D humans don’t always become immune.
Answer:
3) bb
4) it is recessive because it skips generations and there are carriers. the parents don't have it, but they pass it on to their offspring
Explanation:
Answer: A (Increasing in demand for resources)
Explanation:
It seems that you have missed the necessary details which are the paragraphs on "The Pin", but anyway, I found it and here is the answer. The point in The Pin that the narrator decides to transform his attitude toward the situation is in the paragraph 3: <span>The narrator enjoyed his former school, which was small enough for him to earn the admiration and respect of others. However, his new school was different and he needed to get used to it.
Hope this answer helps.</span>
