Select the correct answer. Paul observes an amoeba engulfing food during a science laboratory class. Which part of its cell does the amoeba use to engulf the food?
A.
cell wall
B.
cytoplasm
C.
nucleus
D.
vacuole
E.
silicate skeleton

b) chemical ( the chemical breakdown of food is accomplished by enzymes. )

- officialprodixy ☕

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.