Whoch birds are migrating is my answer because, for a the birds are migrating because its winter for c birds are already going since one of the questions are where the birds are going, and d is that they are going there to not freeze, the only logical choice FOR ME is B
Answer:
I thinks it's B
Explanation:
Because it's what dams do.
It's not D because it caused people to relocate, it's not C because that doesn't make sense.
Answer:data that showed that planets reflected sunlight similar to Earth’s moon
observations of the moons of Jupiter rotating around the gas giant
Explanation:
