The answer is A.
Engels edited Karl Marx's Das kapital. Engels did not edit Das kapital he just funded Marx financially from him to do it on his own. Then it was after that period Marx died and Engels edited the second and third volume.
Engels met with Marxist theory and Karl Marx in the year 1845 and they published the condition of the working class.
Engel coauthored with Marx in the communist manifesto.
<span><span>1. </span>Knowledge of the researcher. It’s important to consider the researcher’s capacity and capability in the field which he/she wants to discover. In sense, it is in his proximity of study in order for him/her to do such approach </span><span><span>
2. </span>Tool used. Making sure whatever measurement the investigator is using should be valid and reliable. Avoiding the possible results to become biased and unstable due to errors which should be avoided.</span> <span><span>
3. </span>Sampling method. Obtain the samples which are appropriate and that would cover the entire participants studied –not a half but the entirety of what you want to study. Entirety means as much as the possible sample covers.</span>
<span><span>4. </span>Population. Knowing the involved participants and respondents in the study, properly defining and clustering helps the study avoid bias. </span><span>
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It means to make something productive. "the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote."
Answer:
The correct option is A. It is the largest single structure created by organisms and is the largest coral reef in the world.
Explanation:
The Great Barrier Reef comprises of about two thousand and nine hundred reefs. This Great Reef covers an area of about 900 islands. The Great Barrier Reef is such huge that it can be seen from the outer space. Millions of tiny organisms which are known as corals polyps make up the Great Barrier Reef. The Great Barrier Reef is a wonder because it is the largest single structure made by humans and hence its name was suggested to be among the natural wonders of the world.
