Carbon, potassium, sulfur, phosphorus, sodium, chrorine, magnesium, oxygen, hydrogen and nitrogen.
Answer:
question 1,2,4
Explanation:
1. the composition of air are
nitrogen,oxygen,carbon dioxide nd inert or noble gases
2. yes cas it's increasing air pollution
4. some toys are educational while others are not so the answer is yes
Answer:
1.13 moles Au
Explanation:
Moles Au = 6.80x10²³atoms / 6.023x10²³atoms/mole = 1.13 moles Au
Explanation:
there are three basic types of soils sand silt and clay . But most soils are composed of a combination of the 3 different types.