Answer:
The answer is a double-blind study.
Explanation:
A double-blind study is a research method in which neither the participants or the researchers are aware about which group is receiving the treatment. This is done in order to avoid biases such as the placebo effect, as well as preventing accidental cues given by the researchers.
The greatest advantage of this approach is its high validity.
Answer:
2 Rapidly increasing
Explanation:
More people are being born and less are dying creating a population that is increasing!
Answer:
Check the explanation
Explanation:
The earth’s rotation on its alignment produces everyday and night and the primary tides : the solar system had its onset as a huge cloud of dust and gaseous substances. The cloud started collapsing and falling apart, flattening into a gargantuan disk that rotated and revolved faster and faster, just as an ice skater rotates faster as he/she brings her arms in. The Sun will form at the central point, and the whirling dusts and gas in the residue of the spinning disk cluster together to create the moons,planets, comets and asteroids.
The answer to this question would be "True"