Elements have three or fewer electrons on the outer energy level are classified as what?

astronomers such as edwin hubble.

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )