In what positions are the earth, moon and sun during a new moon a: moon is between the sun and earth b: earth is between the sun and the moon c: sun is between earth and the moon d: moon is to the side of earth and the sun need asap

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Which of the following electromagnetic waves can create ions?