Answer:
Plants convert CO2 to O2.
Explanation:
Photosynthesis turns CO2 and H2O Into C6H12O6 and O2, glucose and oxygen. Most animals need oxygen to survive.
Answer:
Glycerol and fatty acids
Explanation:
Lipids, such as triglycerides, are made up of 2 main parts.
First, there is a glycerol backbone.
Attached to this glycerol backbone are 3 fatty acid chains, which can be saturated or unsaturated.
So, glycerol and fatty acids make up lipids.
Oral contraceptives, condoms, coitus interruptus, injections, spermicides, subdermal implants
Cartilaginous fish conducts internal fertilization. Internal fertilization happens when the egg cell and sperm cells of the parents were fertilized inside the body of the parent. And the baby is developed over time.