1.
A hollow muscular organ that pumps blood through the body.
3.
The less muscular of the two types of blood vessels
4.
The more muscular of the two types of blood vessels
6.
A flexible material found on the ends of bones
7.
Zone of the ocean that has a lot of sunlight
8.
Are ocean currents related to wind
9.
is the variety of all living things and their interactions.
10.
is a colorless and non-flammable gas at normal temperature and pressure.
11.
Is one of the three ways carbon moves into the atmosphere
12.
Is one of the three ways carbon moves into the atmosphere
13.
Is one of the three ways carbon moves into the atmosphere
14.
How Carbon moves out of the atmosphere
15.
The process were liquid turns into gas
