The word elliptical refers to an Oval.
Answer:
13 km
Explanation:
Distance travelled = 5 km + 3 km + 2 km + 3 km = 13 km
Lithium 6 would have 6 valence electrons in the outer orbital, while lithium 7 would have 7 in the outer orbital.
The excretory system is how you excrete waste from your body, including bladder, anus, and kidneys
