A scientist had to know how to ask the correct question and to state it so clearly that the answer would be, in effect, a definite yes or no, not "maybe".
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
1. extent, degree, measure
2. limit, bounds
3. (span of) time
4. (a) distance
5. the state of, the status of, the condition of
6. about, around, approximately, or so
7. as much as ..., to the extent of ..., like ...
8. the more ... the more ...
1. to know, to be aware (of), to be conscious (of), to learn (of), to find out, to discover
2. to sense, to feel, to notice, to realize
3. to understand, to comprehend, to grasp, to appreciate
4. to remember, to be familiar with, to be acquainted wit...
1. indicates the subject of a sentence
2. indicates possession
3. but, however, (and) yet, though, although, while
4. and
5. used after an introductory remark or explanation
6. regardless of ..., whether ... (or not), no matter ...
7. indicates a des...
