Answer:
11: Independent variable
12: Sink
13: Depends on whether your teacher will let you play once a lesson is over but in most classrooms I would say it is not allowed
14:Theory
15: Objective
16: 3
Explanation:
GENE controls traits and inheritance
It releases bound oxygen into your body's tissues.
Carbon Monoxide. Carbon Monoxide is polluting the air not water, everything else on the list is something that can pollute the water.
