Which statement most accurately describes smooth er? a. series of membrane-enclosed sacs that detoxify substances and synthesize lipids and carbohydrates b. stack of flattened sacs that modify and sort proteins c. contain(s) digestive enzymes d. series of membrane-enclosed sacs with ribosomes on the surface

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells