[ Vocabulary ]
In an experiment, a factor that does not change
A. Unbalanced Forces
B. Control
C. Balanced Forces
D. convection
E. Constant
Select your answer:
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Direct and Indirect QuestionHow often - long - much - manyMixed Present TensesPast Perfect vs Past SimpleSimple Tenses in EnglishModal Verbs & Time PrepositionsIN, ON & ATGrammar - Compound SentencesNarrative, Past TensesOther quiz:
Grammar › View
Choose the correct answer
A. They jump the jumping rope every day.
B. They jumps the jumping rope every day.
C. They jumping the jumping rope every day.
D. They is jumping the jumping rope every day.
Conditional Sentences and Adverbs › View
The frazzled student, when studying for a test, stayed up all night.
A. when studying for a test, stayed up
B. The frazzled student
C. stayed up all night
D. when studying for a test