Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave. Having read the above passage, choose the right answer to the following question (choices are increases or decreases ): As waves get smaller the frequency of them increases or decreases?
increases

(Question)
Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains. Having read the above passage, choose the right answer to the following question (choices are warmest or coldest ): The warmest or coldest waters have the most dissolved oxygen?
(Answer)
coldest

Ques: However, the melanocytes of people with darker skin produce more melanin. Having read the above passage, choose the right answer to the following question (choices are Jim or Matt ): Jim's skin was noticeably darker than his friend Matt's skin. This means that Jim or Matt produces more melanin?
Ans: Jim

(Q).
When we add resistors in parallel to each other the total resistance decreases and the current increases. Having read the above passage, choose the right answer to the following question (choices are shrink or grow ): Dean turns the current up a lot, expecting that the resistance will shrink or grow?
(A).
shrink

Ques:A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature. Having read the above passage, choose the right answer to the following question (choices are increases or decreases ): Polly gets her planet to reduce greenhouse gas levels. The global temperature as a result likely increases or decreases?

Ans:decreases

Objects with greater mass have a stronger force of gravity. Having read the above passage, choose the right answer to the following question (choices are increased or decreased ): Greta gained weight after eating food. Her force of gravity increased or decreased?
increased