Anybody wanna tlk $$$

What happens to the composition of an atom to cause it to become positively or negatively charged?

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

When do you think it’s best to take the psat (what grade year / when in the year)?