Answer:
Every 15 degrees is an hour
Explanation:
What is the time difference in mean solar time between 30° N 75° W and 30° N 90° W?
The concentration is 5 g/L.
Concentration = mass/volume = 10 g/2 L = 5 g/L
8. 63360
9. 1000
if I got anything wrong please let me know thank you :)
