Answer:
Thwe anser is that redwood trees are not very similer sequiao tress. It affects the temptuertatre very badly.
D would be the answer to your question look it up it's easy
The scientific method- Form an hypothesis
conduct an experiment to test that hypothesis
So yes researchers could review his experiment and his theory to detect any possible flaws.
Scientists do this all the time
In the nature-nurture issue, nature refers to an organism's environmental inheritance, nurture to its issues.
Hope thissss helped!! :D have a great day.