What happens when two atoms form a covalent bond? O A. The atoms get farther apart.
B. Energy is destroyed.
O C. Energy is released.
O D. The atoms are destroyed.

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?