There are 272 words in the Gettysburg Address!
Sunny~ ☺
Answer:
If a spacecraft is in space for a long time, radiation is a problem. Designers must figure out a way to protect astronauts from the radiation.
Mountain chains and river systems generally run North-South throughout the continent thus making for formidable barriers to East-West expansion.
One is B, two is C, and I'm not sure but I think three is A or C.
The correct answer is "delta." The name for a triangular-shaped deposit of sand and soil at the mouth of some rivers is called delta. Delta <span>is a landform that </span>forms<span> from deposition of sediment carried by a river as the flow leaves its mouth and enters slower-moving or standing </span>water<span>.</span>
