Answer:
D) Phosphorous catches fire in air.
Answer:
the minimum amount of gallons of gas he will need is 20 gallons and would cost him $60
Explanation:
600 miles ÷ 30 miles = 20
20×3=60 therefore it costs $60
Variations in air pressure from place to place are the principal cause of wind.
Explanation: all the continents on Planet,'Earth':
1. Africa,
2.south America,
3.Antarctica,
4. Asia,
5.Australia,
6. Europe.
7.north America
