Who is your favorite person in the whole universe

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form