Jason has five equally massed lead fishing weights, each weighing 250 grams. what is the total mass of the five lead fishing weights?

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

Donde se encuentra el adn nuclear en un organismo eucariota?