(Q).
Q: What is the general name for saturated hydrocarbons? Choices: - petrolatums - enzymes - halides - alkanes A:
(A).
alkanes

(Q).
Q: What filters pathogens and worn out red blood cells from the blood? Choices: - the bladder - the stomach - the pancreas - the spleen A:
(A).
the spleen

(Q).
Q: Birds and insects perform what function for flowering plants? Choices: - condensation - vegetation - irrigation - pollination A:
(A).
pollination