What is the purpose of enzymes? list three examples and what they do?

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

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.