Answer:
You can increase the validity of an experiment by controlling more variables, improving measurement technique, increasing randomization to reduce sample bias, blinding the experiment, and adding control or placebo groups.
The answer is C made by humans
If you are referring to essays, visualizing makes the conclusion easier to script because it is simply an overall summary of the things you described in the prompt. So it makes the reader and even the writer imagine what you have been presenting. Hope this helps.
African Americans women are essential for the NASA operations because they offer so much to the table like (put what they offer). They also offer “______.” This supports the main idea by _____. This example that I’ve shared can be serve as motivation by ________.
You just need to fill in the blanks, I don’t have the text so I can’t put the exact quotes. Hope this helps