I assume that the question here refers to the process of evolution. The "helpful variations" are small mutations that allow the organism to have a small advantage over other - and this organism can then pass this variation to its children better than other organisms, meaning that with time, more organisms will have it. This will accumulate over time and the percentage of organisms with this mutation will increase.
The reasons include- economic instability and corruption in government
Explanation:
The nascent economy of 1980 China affected the economic system of the country. The political legitimacy was also one of the reasons of the democratic movement of 1989. It had the background of corruption, inflation, lack of graduates in handling the economy and restricted political participation.
People fought for freedom of press, speech and democracy. However, the movement was not well organised but had greater participation. It was demolished by the government through the declaration of martial law
Controlling is the function being talked about here.
<h3>What does management's controlling function entail?</h3>
Controlling entails making sure that everything proceeds in accordance with the strategies chosen, the directives given, and the guidelines created.
Controlling ensures that resources are utilized effectively and efficiently inside the company in order to achieve the desired outcomes. Controlling helps with adjustments by measuring the gap between actual and expected performance, identifying the sources of such deviations, and determining the causes of such deviations.
Brech claims that "controlling is a systematic effort that is called as a process of assessing actual performance against the standards or plans with a view to capturing such experience as is achieved as a contribution to predicted future demands" in order to assure proper progress.
For more information on <u>Controlling</u>, refer to the given link:
brainly.com/question/15351742
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Answer:
Strong positive
Explanation:
In studies, we usually establish relationships between two or more variables using correlations. Correlations tell us how this variables are related.
- Two variables have a positive correlation when if one increases the other increases too.
- Two variables have a negative correlation when if one increases the other decreases and vice versa.
Also, a correlation can be weak, moderate or strong. Researchers agree that a correlation that is larger than 0.70 should be considered a strong correlation.
In this example Isabella reads about a study saying there's a correlation coefficient of +0.85 between hours spent studying and final exam grade. <u>The fact that the sign of this correlation is "+" tells us that it is positive</u> (the more hours spent studying, the better final exam grade). We can also see that <u>the coefficient is 0.85 which is greater than 0.70 and therefore we can consider this correlation as a strong one.</u>
Thus, Isabella would conclude that this is a strong positive relationship.
Answer:
A they used stone tools and used art to express themselves
