Answer:
one valence electron
Lithium has a single electron in the second principal energy level and so we say that lithium has one valence electron. Beryllium has two valence electrons.
- Lumen Learning
Answer:
Explanation:
Its a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances rise high into the atmosphere in which they mix and react with water, oxygen, and other chemicals to form more acidic pollutants.
Well it whould be considered a simple mashine a leaver hope this helps
The most weight was gained between 0 - 1 years for both boys and girls.
<h3>What is weight?</h3>
- Weight is a vector quantity that varies from place to place to due to effect of gravity.
Average weight of the boys in pounds;
age -------------------- average weight
0 -------------------------50
1 ------------------------- 45
2 ------------------------ 40
3 ------------------------- 35
4 -------------------------- 30
5 -------------------------- 25
Average weight of the girls in pounds;
0 --------------------------------- 20
1 ----------------------------------- 15
2 ------------------------------------ 10
3 --------------------------------------5
4 -------------------------------------- 0
5 --------------------------------------- 1
The most weight was gained between 0 - 1 years for both boys and girls.
Learn more about average weight here: brainly.com/question/24889549
Answer:
A.Light +Energy
Explanation:
it is because photo means light and synthesis is more likely referred as energy
