Answer: We study other star systems in spaceships and big, professional telescopes
Answer
the atmosphere is the important part of what makes earth livable and it blocks the sun's dangerous ray from reaching the earth.
Answer:
Birth rate.
Explanation:
Countries such as Japan are dealing with a low Birth Rate, meaning the population is aging due to the lack of births to lower the average age.
The difference is that ethnicity is a socially defined category of people who identify with each other and culture is a range of humans that aren’t genetic inheritance.
Answer:
<h2>yes the temperature increases or decreases</h2>
