Auroras occur when ions from the Sun strike air molecules, causing them to give off bright colors of light.-google
Explanation:
chemical analysis of a compound shows that it contains 0.99g lead ,0.154g sulfur and 0.306g oxygen. what is the empirical formula of the compound.
Answer:
1.584e10 = 15,840,000,000,000
Explanation:
250,000 miles
multiply the length value by 63360
25e4 x 63360
= 1.584e10
Answer:
B) the full spectrum of light
Explanation:
Chemical. burning is a chemical change