What should be a possible reason for the demise of Mayan civilization??? Please answer ASAP thank you

Read the graph that displays interest and total payments on a loan. banks make the most money and take the most risk with an interest rate of 5 percent. 10 percent. 15 percent 18 percent.

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

The biggest component / ingredient of summer time smog is