Why is it important to us here on Earth to monitor the Sun's activity?

Why troposphere is the hottest part of the atmosphere? What type of clothing would you need to wear if you could visit the meosospher? What is Sol's exact spectral type? Is Moon's gravity weaker than earth's Fact or Opinion? Are the crew members of the Apollo 11 still living? Explain why the energy produced by burning wood in a campfire is energy from the sun? Who were the first Indian women in space? In the beginning of the dialog Crito appears? How much fuel was used in an Apollo space shuttle? How does the fossil fuel coal contain energy from the sun? What is a rhyming word pair for distant sun? What is the combination of lenses at the viewing end of an optical instrument called? What are the main events in Number the Stars? Why do you only see one shoe in the street? What is the use of parachute in a space mission? When was solar lighting invented? What year did the NASA space program resume after the challenger tragedy? Did Apollo 17 leave anything on the moon? What celestial object is closet to earth? Do stars have atmosphere?