As you see this is the mold which causes severe health problems infact one of the most dangerous mold is that Toxic black mold which cause respiratory, nasuea and other problems like skin etc. Also it causes cancer as well.
40 kilometers is equivalent to 24.85485 miles. The conversion formula for 40 km to miles is: 40 km*1 mi. 1.609344 km=24.85484769 mi.
Whether you join a 20k bike race for motivation to get in shape or to compete to win, you will need to train for it. Biking for 20 kilometers is equal to approximately 12 miles. Since the average speed on a bicycle is 15.5 mph, it should take less than one hour to bike 12 miles.