The answer is 4 is helps you estimate the distance between two places.
Answer: We study other star systems in spaceships and big, professional telescopes
Answer:
Clouds form when air reaches its dew point. This can happen in two ways:
(1) Air temperature stays the same but humidity increases. This is common in locations that are warm and humid.
(2) Humidity remains the same, but temperature decreases
Answer:
In 2020, about 26.16 percent of the Indian population fell into the 0-14 year category, 67.27 percent into the 15-64 age group and 6.57 percent were over 65 years of age. India is one of the largest countries in the world and its population is constantly increasing.
Explanation: