Which is one advantage of using a reflecting telescope instead of a refracting telescope?
A. reflecting telescopes are less expensive
B. reflecting telescopes produce more clear images
C. reflecting telescopes require only concave lenses
D. reflecting telescopes usually take up less space
Answers: 1
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Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal
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3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?
Answers: 1
Which is one advantage of using a reflecting telescope instead of a refracting telescope?
A. reflec...
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