The chemical composition of bone is made up of collagen and calcium, which makes bones stronger
The baby is used to getting what it needs through the placenta, which includes oxygen. The baby's lungs are initially filled with amniotic fluid.
Is to provide your body with energy .
Answer:
The 4 macromolecules are nucleic acids, carbohydrates, proteins, and lipids.
structure: Carbohydrates, lipid, and protein
Function: Nucleic acids, Carbohydrates, Lipid, and Protein
Explanation:
If the ratio is 9:2 that means that 45 would by ñ times 9. At the same time, ñ must also fit the ratio. Using this knowledge, you can divide 45 by 9, giving you 5, then multiply it by 2. This means that the child is 10 years old.
