5 arrive - 3 leave = 2 left every minute
80 in total - 30 already there = 50 need to arrive
50/2
= 25 minutes
hope this helps :)
Geography uses other subject in it's studies. Very close to geography are geophysics and geology. Geophysics studies quantitatively physical phenomena of the planet Earth, geology studies composition of soil rocks and their development through history. Geography uses biology, statistics, mathematics and other subjects in order to better describe the Earth.
The snow is blowing across highway 53.
The rain is causing the pond to rise
The weather is so nice that no is wearing a coat today.
Bring your umbrella, the rain is falling harder.
Answer:what is this question?
Explanation:
Answer:
The use of chemicals in factories resulted in increased air and water pollution making it harmful to human life.
