What two processes produce new soil?

The forest biome that you would expect to find in a cold location with mild precipitation and a short growing season would be:

Which process contributes to desertification?

Which service is provided by forests?

What must we learn to preserve in order to be able to feed the world’s population and future generations?

A pump lifts [m] kg of water [h] m vertically in [t] seconds. Calculate the power output of the pump, assuming no energy losses.  

A baseball weighs [m] oz.  If a pitcher throws it to home plate with a speed of [v] mph, how many Joules of kinetic energy does the baseball have?

A tractor pulls a plow across a field.  The average force that is exerted on the plow is [F] lbs.  The field is [d] feet long.  How many ftlbs of work is each pass across the field?

Rock is constantly made and destroyed in the process known as the _____ cycle.

Refer to Infographic 1. What is the approximate value of services that affect food production and water supply?   ​