Answer:
D. All of the options are correct.
Explanation:
The rainforests receive a huge quantity of <em>rainfall,</em> it contains millions of species of insects, microorganisms and plants. The sunlight's penetration is very restrict, but a large part of the world's oxygen comes from them, and also many of the <em>natural medicines</em>. Although the Rainforests are called '<em>the jewels</em> <em>of the Earth</em>" and "<em>the world's largest pharmacy</em>", the deforestation and pollution of the air are <em>causing its disappeariance.</em>
<em>Selva</em> is another word for forest, like <em>Selva Amazonica.</em>
In the social sciences, materialism signifies a preoccupation with materiality and material processes, and how these contribute to forming the social. ... Both directions of materialism engage with material inequalities, whether it is between different social classes, or between humans and nonhumans.An example of materialism is valuing a new car over friendships.
Answer:
Cross-sectional research method
Explanation:
The Cross-sectional research method is a method of observational study design. Here, in this study the experimenter or the researcher measures and studies the outcome and and exposures in the study participants in the same time.
In the context, An experimenter studies the heredity and the intelligence of the MZ twins who are reared together and for those who are reared apart. The findings of the experiment made by the researcher is a result of a cross sectional research method in this case.
