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.
the answer is 40 because there are 60 minutes in an hour, and if u drive 30 minutes and u go 20 miles, then you have to do 30+30 to get 60, and then 20+20 to get 40! it is simple rlly, just write 40 as ur answer! hope this helps!