Answer:These organs expel water from the body, helping to maintain osmotic balance.
Explanation:
So sound travels 1 kilometer in roughly 3 seconds and 1 mile in roughly 5 seconds. When you see the flash of a lightning bolt, you can start counting seconds and then divide to see how far away the lightning struck.
Answer:
D. The oldest rock is found in the bottom layer of a rock formation.
Explanation:
The speed of sound<span> is greater in hot </span>air<span> than it is in </span>cold air<span>. This is because the molecules of </span>air<span> are moving faster and the vibrations of the </span>sound<span> wave can therefore be transmitted faster. This means that when </span>sound travels<span> from hot </span>air<span> to </span>cold air<span> or from </span>cold air<span> to hot </span>air<span> it will refract.</span>
It's called merging cells. I don't understand why this is in Biology but whatever.
