[ Vocabulary ]
The same amount of matter exists before and after the change—none is created or destroyed
A. closed system
B. conservation of matter
C. chemical reaction
D. solution
Random Topics:
Adjectives and comparisonsGrammar - to be, possessive, have gotGrammar - Sentence StructureGrammar on ConditionalsTransitive or Intransitive VerbsNoun, Pronoun, Adjective, VerbRegular Plural NounsPerfect Verb Tenseswill, be going to, would like toPast PerfectOther quiz:
Dependent Clauses › ViewRead the following sentence:
If Denise comes to class late, I’ll tell her the assignment.
Choose which part of the sentence is the DEPENDENT clause.
A. If Denise comes to class late,
B. I’ll tell her the assignment.
Vocabulary › View
The principles of conduct governing an individual or a group.
A. ethics
B. goal
C. integrity
D. resilience
Vocabulary › Viewa container made of metal bars and used for keeping animals in
A. upset
B. emphatic
C. cage
D. ground
Modals › View
A: Where are my keys?
B: I don’t know. You __________ them in the car!
A. may have left
B. could leave
C. had to leave
D. should have left