CAN SOMEONE PLEASE HELP ME ON QUESTIONS 1-12 PLEASE THIS ASSIGNMENT IS DUE TOMORROW :(

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.