Pleassee i will give 20 points no wrong answers pllzz if water with the mass of 15.0 grams is heated into water vapor in a closed system such as a closed glass jar, what is the mass of the gas after the water completely vaporizes? a) 13.5 grams b) 15.0 grams c) 16.5 grams d) the mass cannot be determined without knowing the volume.

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation