All these statements concerning galaxies are accurate except
A: Most can be seen without a telescope.

Why is some food dehydrated for astronauts to eat in space?
A: to preserve the food for extended flights

Which type of organism is at the lowest level of the food chain?
A: autotroph

Astronomers have determined the surface temperature of stars by studying their colors. What color emission represents stars with the hottest temperatures?
A:
blue