Dam: reservoir:
a.) road closure: traffic jam
b.) braces: teeth
c.) farms: runoff
d.) groundwater: aquifer

aquifer: land:
a.) surface water: well
b.) river: ocean
c.) dam: river
d.) potable: pathogen

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided

Coral have a symbiotic relationship with what in order to eat?