Pedalling a bicycle into a 30 km/h wind requires how much more effort compared to pedalling into a 10 km/h wind?
A. eighteen times as much
B. nine times as much
C. six times as much
D. three times as much
Answer: B
Environmental & Atmospheric Sciences
You might also like to view...
One social science principle of sustainability is that we should leave the planet's life-support systems in at least as good a condition as that which we now enjoy, if not better, for future generations.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Blowing a threatening extraterrestrial object into small pieces would likely increase the hazard to Earth
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Energy is the capacity to do work
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
An example of a silicate mineral with a double-chain structure is:
a. augite b. hornblende c. corundum d. plagioclase feldspar
Environmental & Atmospheric Sciences