Answer:
Astronomy is the study of everything in the universe beyond Earth's atmosphere. That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars . It also includes objects we can only see with telescopes or other instruments, like faraway galaxies and tiny particles.
Explanation:
Answer:
like unemployment,waterlogging in wetland areas,salinity in arid and semi arid areas,acidity in high rainfall and so on...
Answer: Copper, iron, lead, zinc, gold, silver, and tin. Hope this helps :)
