What it is lesson 1 draw the asking right in your answer in the box provided ​

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air