Why is biomass still an important energy resource today?
A. There is a lot of it and it is easy to get to.
B. Many people don’t have access to other energy resources.
C. It is easy to replant and grow new biomass resources.
D. It keeps lumberjacks employed.
Past Perfect Continuous TensePrecede vs. ProceedFuture Perfect Tense
Next quiz: Subject-Verb Agreement
Sums and products of mathematical processes are expressed as:
A. Plural and require singular verbs.
B. Singular and require plural verbs.
C. Plural and require plural verbs.
D. Singular and require singular verbs.
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