I believe the answer is 3d^6 4s^2
Answer:
There is no short answer.
Explanation:
The primary difference between the periodic and perpetual inventory system is that the perpetual system keeps track of things from the start to finish continuously while the periodic system divides it into periods and keeps the records at the end of every set period of time.
I hope this answer helps.
The answer is oil.
The United States' fossil shortage of oil makes the country dependent on outside sources. Mineral oil such as crude oil or commonly known as petroleum came from the ancient fossilized organic materials. This resource is limited. The US is now facing a shortage in oil and becoming dependent to some countries such as middle-east countries.
Rays of light that pass through the lens are brought closer together that’s because this lens is a converging lens.
