Organic compounds nearly always contain what two atoms? A
hydrogen and oxygen

B
carbon and hydrogen

C
oxygen and iron

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet

Which of these internal feedback reactions does not need your brain? oa. your leg jumping when it is hit by a reflex hammer b. your deeper breathing when you need more oxygen c. your body temperature rising when you have an infection d. your heart beating faster when you are in danger