If an element has 1 valence electron, according to the Lewis dot diagram structure there would have 1 dot to represent that one valence electron.
Answer: No i have not yet been affected.
That sounds like the disorder anorexia.
Answer:
The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plantsconvert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water
Answer:
Question 17: B: They may provide evidence that Pennsylvania was once covered by warm ocean waters since most corals are presently found in these environments.
Question 14: I think the answer for this question might be A. But I'm not sure.
Question 10: D: Plates move toward each other and volcanic mountains form.