with my study guide. you will get 20 points: (only answer if u know)
·how do continental glaciers move?
·a farmer uses weeds and stalks from her previous year's crops to plow her field. what type of soil conservation technique is she using?
·what is a ridge that forms when till is deposited at the end of a glacier?
·how does wind primarily cause erosion?
·what forms when sediment is blown against an obstacle and settles behind it?
·what is the composition of the a horizon?
·how does soil loose its value?

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

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.