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.
<span>Thy hyaline cartilage covers and protects the ends of bones at freely movable joints. The hyaline cartilage contains elements that are found commonly in areas such as the ear. It is made this way because it is very elastic allowing the joints it is covering to have more flexibility.</span>
As a cell grows, its volume increases more than its surface area so the answer is C
Answer:
kinetic energy
Explanation:
i saw this somewhere before
The opposite of an echosystem is Chaos pollution and exosytem