[ Science ]
The layer that protects the earth from UV radiations:
A. Nitrogen
B. Ozone layer
C. Methane
D. Magnesium oxide

Random Topics:
Verb AgreementIdentifying TensesFuture Tense - will and going toTime Clause3rd Person SingularModal Verbs & Reflexive PronounsNeither/Either/All/NonePersonal PronounPast Narrative TensesGrammar and PunctuationOther quiz:
Grammar › ViewShe ____ early for the meetings, but today she ____ late.
A. always is / comes
B. is always / is coming
C. always is / is coming
D. is always / comes
Grammar › View
What is the correct order of the words in a question?
A. subject, verb, object
B. verb, subject, object
C. subject, object, verb
D. object, verb, subject
Simple Tenses › ViewThey _ (travel) to Europe next summer.
A. travel
B. travels
C. traveled
D. will travel
Grammar › View
What is a synonym for the word:
shine
A. assorted
B. forecast
C. market
D. party
E. sparkle
