Most climate scientists agree the main cause of the current global warming trend is human expansion of the "greenhouse effect"1 — warming that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere block heat from escaping.
Based on this exert, I'd say Option C
Answer:
Wind power
Explanation:
could have an almost immediate impact on air quality by halting the production of these particles.
Answer:
Well...
Explanation:First of all skin color is determined by how much melanin you have and the one thing that would show more variability in the human population is probably the one that uses less genes, because of how we come from only two genes which makes us different.
I'm not completely sure, but I'd say D.
Answer:
The answer should be the third explanation, which is "The experiment was subjected to both replication and repetition" because the question never provide information about the status of the scientists who conducted the experiment, the variables of the experiment, and whether or not a control group was included. The part where the question tells that many other scientists are doing the same experiments and obtaining similar results is the key to finding out the right answer,
Explanation: