When looking at the night sky, many stars can be seen. what is true about all the stars seen in the night sky?
a. they orbit earth
b. they are made of gases
c. they are part of our solar system
d. they are not the centers of solar systems
for my sat

What percentage of the earth's water is available for use by living things?

Asking questions when something is unclear is part of?

These three organisms are interdependent on each other for their survival. what will happen if foxes are eliminated from the region? a. there will be more rabbits and less grass in the region. b. there will be more grass and fewer rabbits in the region. c. there will be fewer rabbits and less grass in the region. d. there will be more rabbits and more grass in the region.