_____________ is the study of the natural world and involves making observations and performing investigations.
A. investigation
B. science
C. observation
D. evidence
Random Topics:
Modal and Relative PhrasesFirst Conditional, Future Time ClausesPresent Simple and Continuous TenseNoun, Verb, AdjectiveSentence CompletionConditional SentencePunctuation and GrammarRequest with Modal Verbsso vs suchGerund - to InfinitiveOther quiz:
Tenses › ViewBy 1914, Fawcett, ___ to formulate ideas, based on his research, about a legendary lost city he named Z. In 1925, he ___ a three-man team that included his son Jack into Brazillian jungle to find the lost city of Z.
A. has begun / leads
B. had begun / led
C. begins / has led
D. was beginning / was leading
E. was going to begin / led
Vocabulary › View
A number without a variable; a number by itself; a quantity that does not change its value
A. Constant
B. Algebraic Expression
C. Coefficient
D. Distributive Property
E. Equation
Vocabulary › ViewAccording to the weather ____________________, a warm front with occasional showers will reach us by evening.
A. frost
B. climate
C. forecast
D. lightning
E. flooded
Conjunctions › View
What coordinating conjunction is used to indicate addition?
A. And
B. But
C. Nor
D. For