It provides the reader with your topic and give them a central idea of your writing.
Answer:
Continental drift theory is the correct answer
"The rotating part of the microscope at the bottom of the body tube; it holds the objectives." -utahscience.oremjr.alpine.k12.ut.us
<span>The thing that might happen to the tree was it might get swept away by the current until it catches on something or disappears (dissolves). The tree will going to the flow of the river until it catches on something where it may disappears or dissolve.</span>
Clay because it’s a mixture of dirt and runoff/water
