Which of the following elements is found in all organic molecules

According to the loco mass the mass of reactants and products

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat