Forests are only renewable as long as careful planning is done to determine how many trees to cut and to nake sure new trees are planted to replace them.
Sample Response: Forests are only renewable as long as careful planning is done to determine how many trees to cut, and to make sure new trees are planted to replace them.
Atria is a large part of the heart so too big for cells; arteries & veins lead away or to the heart. Capillaries are the smallest vascular structures that allow materials to be exchanged easily between cells.
