Which of the following is a non-renewable resource?
a. uranium b. water c. wind d. biomass e. radiant solar
Question 2
A speedy tortoise can run with a velocity of 10.0 cm/s and a hare can run 20.0 times as fast. In a race, they both start at the same time, but the hare stops to rest for 2.00 minutes. The tortoise wins by a shell (20.0 cm). What was the length of the race?