______ is a chemical reaction between substances, which usually includes ...

[ Vocabulary ]

______ is a chemical reaction between substances, which usually includes oxygen and produces heat and light.

A. Combust

B. Combustion

C. Combustible

D. Combusted

Select your answer:

Random Topics:

Conjunctions and Commas Conditionals 1,2,3 Vocab and Grammar Noun Clauses Linking Words and Phrases Past Progressive Tense Modal Verbs in First Conditional Grammar - Future Zero & First Conditional Much, many, a lot of, a few, a little

Other quiz:

Idioms › View

Every cloud has a ………. lining.

A. golden

B. sliver

C. fine

Grammar › View

It serves you right! , she seemed to be saying with her eyes. “Never ever kick me again, you silly human!” And I ………………..(hear) the siren wailing while they ………………. ( drive) me to San Isidro Hospital!

A. was hearing / were driving

B. heard / were driving

C. heard / drove