Answer:
nitrogen gas and oxygen gas.
Explanation:
78% of earths atmosphere is made up of nitrogen and 21% is made up of oxygen.
Answer:
Explanation:
Simplify -3\times -5−3×−5 to 1515.
15=-2\times -20
15=−2×−20
2 Simplify 2\times -202×−20 to -40−40.
15=-(-40)
15=−(−40)
3 Remove parentheses.
15=40
15=40
4 Since 15=4015=40 is false, there is no solution.
No Solution
