[ 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:
Tenses › ViewTom____his phone since yesterday.
A. found
B. hasn’t found
C. find
D. finds
Conjunctions › View
Either Sarah or Daniel will give the presentation tomorrow.
A. neither…nor
B. either…or
C. not only…but also
D. both…and
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
