A gem has a mass of 4.50 g. When the gem is placed is placed in a graduated cylinder containing 2.00 mL of water, the water level rises to 3.45 mL

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

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 diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?