Q: What atoms combine to make up a molecule of water? 1. 1 hydrogen, 1 oxygen 2. ----

A: 2 hydrogen, 1 oxygen

Q: Which best describes two organ systems working together to help maintain homeostasis? ----

A: The muscles of the chest tighten to push carbon dioxide out of the lungs.

Q: New carpet is being measured for a room that is 5.5 m by 4.6 m. On a measuring tape, what is the smallest unit that is necessary to measure the room accurately for the carpet? ----

A: centimeters

Q: Which outcome is most likely if a person consumes more Calories than needed for daily activities? ----
A: weight gain