What is the combining of nuclei of lighter elements to form a heavier element called?
A. Heliocentric fusion
B. Sun
C. Plasma
D. Fusion

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Synonyms and VocabularyTransitionsFuture TensesRelative & Interrogative PronounsTenses and ArticleSimple Present and Present ContinuosPresent Perfect Simple & ContinuousGiving and Asking for AbilityGrammar and IdiomsGrammar - Sentence StructureOther quiz:
Conditional Sentences › ViewThe two brothers are alike. I can’t distinguish between them.
A. If the two brothers were completely different, I would have recognized them.
B. If the two brothers were not alike, it would be impossible for me to realise one.
C. If the two brothers didn’t look alike, I could tell them apart.
D. If the two brothers were dissimilar, I would like them.
Vocabulary › View
What does it mean that the tide is coming in?
A. the tide is rising
B. the tide is getting low
Grammar › ViewJuliana and I __________ baking the cake.
A. were
B. was
Grammar › View
Witness is a person who—-
A. kills a person
B. steals things
C. sees criminal events
D. investigates cases
