Science > > > > miriam notices when she goes to the beach that sometimes the water rises as high as the pier. at other times of the day, the water barely covers the pillars under the pier. these differences in water level are primarily due to the gravitational influence of which of the following? 1) comets 2) asteroids 3) the moon 4) the sun orographic precipitation occurs due to air masses being lifted to higher altitudes by 1) the density difference of air masses 2) the presence of mountain barriers 3) a frontal action 4) extratropical cyclones radiocarbon dating is a useful technique for all samples below except 1) shells 2) bone 3) granite 4) wood

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

49 ! how are energy cycles and growth cycles related?

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.