Using your senses to gater information
A. rarefaction
B. looking
C. observation
D. experiment
E. theory

Random Topics:
Grammar : Must (Necessity)Asking & Giving OpinionAdverb of MannerNoun Phrases and Verb PhrasesFuture PassiveFuture Simple TenseVerb FormPresent tense AffirmativePassive Voice of TensesSubject Verb Agreement Irregular VerbOther quiz:
Past Tense › ViewThe giant (climb) ___________ down the beanstalk to catch Jack.
A. climbing
B. climbs
C. climbed
D. climb
Grammar › View
Unless illegal downloading becomes harder, many people in the film industry …….. their
A. would lose
B. will lose
C. are losing
D. lose
Grammar › ViewCorrect the punctuation in the sentence: She went to the store and bought apples bananas and oranges.
A. She went to the store and bought apples, bananas and, oranges.
B. She went to the store and bought apples, bananas and oranges.
C. She went to the store and bought apples, bananas, and, oranges.
D. She went to the store and bought apples, bananas, and oranges.
Grammar - must & have to › View
The speaker decides that something is necessary.
A. must
B. have to
C. should
