Answer:
b. hypothesis
Explanation:
The statement, "We expect our study to show that students who sleep fewer than five hours the night be-fore the exam will perform more poorly than those who sleep more than five hours," would be considered a hypothesis.
A hypothesis is a proposed explanation for a phenomenon, a scientific guess, an idea or explanation that you test its validity through study and experimentation.
The statement is an example of a hypothesis that is subject to testing.
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Your answer is C: both a and b.
For dry Acid deposition can be: gases/particles..
For wed Acid deposition can be: fog/snow/sleet/rain
Acid rains are mostly formed from factories by the chemicals it releases into the air. This can happen along with the other precipitations for acid.
Answer:
The one-child policy was the population control policy in force in the People's Republic of China from 1979 to 2015, whereby each couple was only allowed to have one child; having a second child was punishable. The aim of this policy was to slow down population growth.
The economic and social consequences of the Chinese one-child policy could severely limit the Chinese economy and society, partly because of the rapidly increasing aging population as a result of this policy. That is why the one-child policy was increasingly abandoned. For example, two out of three Chinese families were later allowed to have two children.
However, it had positive effects in terms of maintaining the country's natural resources, as it somewhat curbed their massive consumption.
In India, another country with 1 billion inhabitants, a two-child policy was pursued, but due to the high illiteracy, little has happened.
<span>The answer is DNA. There are several ways to obtain DNA samples, like blood, saliva, semen or hair. They are very important to guarantee a certified verification of the people involved with the situation and guarantee the best investigation possible of the event.</span>
