Answer:
Biopolymers are natural polymers produced by the cells of living organisms. Biopolymers consist of monomeric units that are covalently bonded to form larger molecules
1. Atrium
2. Ventricle
3.left ventricle
4. they pump blood throughout the body
5.superior vena cava
6. Pulmonary vein
7.Four heart valves control the flow of blood through the heart. They act as one-way doors, opening to let blood exit or enter a chamber, then closing to keep blood from flowing backward.
I’m going to say for the first one it’s a
<span>Thermal energy from the coffee is transferred to the mug.</span>
Answer:i think its C or D
Explanation:
It cant be chemoautotrophs or photoatropus
