I literally have no idea how to do this, plz be detailed with your explanation! NO LINKS! (Images are fine tho)

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity