Answer: carbon dioxide, water molecules, glucose, and oxygen
Explanation: Energy is used to convert carbon dioxide into oxygen and glucose.
Emperor penguins have the ability to 'recycle' their own body heat. The arteries and veins lie close together so that blood is pre-cooled on the way to a penguin's feet, wings and bill and warmed on the way back to the heart. Emperors' feet are adapted to the icy conditions
Yes because the human body is comprised of several different systems that must work together to carry out the various processes necessary for good health.
It's A, because it's always important to drink water. If you think about it, all the other answers seem invalid.
1. traits
2. genes
3. DNA
4. environment
5. 23
6. haploid
7. half
8. fertilization
9. 46
10. zygote
11. half
12. randomly
13. different
Hope this helps a little :)