(Q).
You are presented with the question "Propellers are on some airplanes primarily to give" and the following answer choices: - stability - protection from bird strikes - speed - motion - engine cooling - energy - noise cancellation - power Now knowing that producing thrust causes something to move and airplanes create thrust using propellers, jet engines , or rockets , choose the best answer.
(A).
motion

(Q).
You are presented with the question "What can fungi spores develop into without being fertilized?" and the following answer choices: - shrub beds - litter - Sugar - Protein - Bacteria - graptolites - ferns - Food Now knowing that fungi spores can develop into new haploid individuals without being fertilized and first, bacteria are haploid, choose the best answer.
(A).
Bacteria

(Q).
You are presented with the question "What do some plants need to survive?" and the following answer choices: - stem - oxygen - reading - overexposure - books - sodium - Water - Sun Now knowing that astem is used to store water by some plants and every plant and animal needs water to survive, choose the best answer.
(A).
stem