One of the best ways to use rocks to determine past geography is to look at water lines. Many cliffs contain "stained" waterlines on the surface of the rocks, which shows that water at a certain level used to occupy that area.
A. convenience equals enormous expense.
Things in smaller packages cost way more than things in larger packages, so it’s more cost effective if you buy a bigger bag and then just eat a little bit of it.
Answer:
If the Earth weren't tilted on its axis, there would be no seasons.
Explanation:
humanity would suffer. When a Mars-size object collided with Earth 4 billion years ago, it knocked off a chunk that would become the moon.
prophase is the phase where centrioles move to opposite poles
Scientists use the scientific method to test and prove their hypothesis