The bottom of a box has a surface area of 58.8 cm2. the mass of the box is 12.0 kg. acceleration due to gravity at sea level is 9.80 m/s2. what is the pressure exerted by the box where it rests?
2.00 pa
72.0 pa
2.00 x 10^4 pa
0.500 pa

Pressure is defined as force per unit area. It  is the force applied perpendicular to the surface of an object per unit area. We calculate as follows:

P = F / A 
P = ma / A
P = (12)(9.80) / 58.8
P = 2 Pa

Therefore, the first option is the answer.

The independent variable would be the fertilizer as it is what the dependent variable (the growth of grass) depends on.

When seismic waves hit a fault, the waves are reflected off the fault. seismograph can detect these reflected seismic waves. geologists then use these data to map the fault's length and depth