Use the following table of a school bus during morning pickups to calculate its average speed between 0 h and 2.34 h

position (km):
0.0
1.2
2.8
4.2
16.34

time (h):
0.000
0.024
0.051
0.084
2.34

16.34 for first, and 2.34 for 2nd, i think. im 80% sure...

16.34 km/2.34 h = 6.98 km/h

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

the maximum mass of nh3 is nh3 in grams