The answer to this question is B
A philodendron plant and when it is in sun light it produces more bubbles.
They saw how smoking effected the body since smoking was pushed as something good for a long time, a lot of people started smoking and after a few years doctors finally saw a difference between a smokers body and a non smokers body
The 10 amino acids that we can produce are alanine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine and tyrosine.
The answer is C. species are the smallest taxonomic group. I also have taken this test before