Which of the following methods are incorporated to make landfills safer for the general public?

a
Installing a plastic liner under the landfill
b
Placing a large layer of clay beneath the landfill
c
Using a leachate collection system
d
All the above

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

silty loam

hope this

c. heat from the poles back down towards the equator.