What is the average acceleration of the particle within the time interval 1 second to 3 seconds?
velocity (m/s)
time (s)
a.
1 meter/second?
ob. o meters/second
c.
1 meter/second?
d.
1.5 meters/second?
e. 2 meters/second?

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places