C. Experimental
Explanation - The cause and effect of a process would be studied in experimental investigations. However, in descriptive studies, relationship between the factors are not studies rather the detail of the process is studied. In comparative investigation, several factors are compared and its effects are analyzed.
In experimental investigations, experiments are carried out based on the hypothesis and then it is validated accordingly. Validation is a must to prove and disprove the hypothesis. Therefore, experimental data and hypothesis are related.
The last one: Carbon dioxide is released into the atmosphere
The answer is c because the precession of the ecliptic was component of a milankovitch cycle and is related to periodic ice ages through out history
False it affects everyone and anything. Global warming for example my friend :/
The answer to your question is Corruption is exhibited in this scenario.
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