What is the main reason water from the ocean turns to what’re vapor, and than evaporates into the air? a. ocean breezes b. changing tides c. heat front the sun d. moons gravitational pull

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

What is the biggest country in south america?