Which of the following best describes telescopes?
A. instruments that collect and focus
electromagnetic radiation
B. instruments that amplify sound waves
C. instruments that lessen the effects of gravity
D. instruments that measure the temperature of
an object

A.

Explanation:

A telescope is a tool that astronomers use to see faraway objects. Most telescopes, and all large telescopes, work by using curved mirrors to gather and focus light from the night sky. The first telescopes focused light by using pieces of curved, clear glass, called lenses.

chinese civil war took place over a long period of time between 1927 and 1950. the war was interrupted when japan invaded china in 1936 and by world war ii. the war was fought between the nationalist government of china, also called the kuomintang (kmt), and the communist party of china (cpc).