Question

question 2 of 29
what makes climate change research valid?
a. most climate change studies show variability in opinion.
b. only a few scientists believe climate change is occurring.
c. many lines of evidence show climate change occurring.
d. most climate change studies are by unknown scientists.

Explanation:

Valid research is supported by multiple lines of evidence. Option A about variability in opinion doesn't make research valid. Option B is incorrect as the scientific consensus is that climate change is occurring. Option D about the fame of scientists is not relevant to research validity. Option C with many lines of evidence is correct for validating climate - change research.

Answer:

C. Many lines of evidence show climate change occurring.