The process by which green plants manufacture their food is called _____ ?
A. Respiration
B. Photosynthesis
C. Digestion
D. Excretion

Random Topics:
Modal VerbsReported Speech and SubjunctiveMixed Present TensesAdverbs and Time ExpressionsPresent Perfect vs Past SimplePresent simple or Past simpleWill vs Verb InfinitivesFunctional Sentence TypesGerunds and InfinitivesComparativeOther quiz:
Grammar › ViewMy sister didn’t leave the car key, so I couldn’t pick her up at the airport.
A. If my sister had left the car key, I could pick her up at the airport.
B. If my sister have left the car key, I would have picked her up at the airport.
C. If my sister had left the car key, I would have picked her up at the airport.
D. If my sister left the car key, I would pick her up at the airport.
Reflexive Pronouns › View
She always takes her dog with __ when she goes out.
A. herself
B. her
Subordinating Conjunctions and Clauses › ViewWhich of the following is a subordinating conjunction?
A. And
B. But
C. Or
D. Because
Grammar and Vocabulary › View
. I think I _______ visit my grandmother this weekend.
A. will
B. am going to
C. was
D. do
