Which is the electronic configuration for oxygen? 1s2 2s2 2p1 1s2 2s2 2p3 1s2 2s2 2p4 1s2 2s2 2p6

Identifying what you will need to review takes place

What must students do with the 10 gird-ins on the math section of the psat

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.