18.D
19.A
20.C
21.B
theses are going to be your answers
Answer:
"Aperture" seems to be the right answer.
Explanation:
- The intensity of light rays that enters an electronic camera sensor is limited either by an aperture. This same diameter would be determined by f-stops.
- This opens with a smaller f-stop level which accommodates sufficient light to something like the sensor. Relatively high f-stop amounts reduce their aperture of the lenses so that less beam moves.
Not work as the water from the oceans wouldn't heat and evaporate
The answer lies in China’s five-year plans. Inspired by the Soviets, the Chinese focused on heavy industry and slowly developed their economy. With each subsequent five-year plan, the government improved the country’s industrial and service output and liberalized the economy.
Just trying to answer questions to get my question posted