The word you're looking for is waning. When the moon's illumination is increasing, it is waxing.
False, the slope of the land has great influence on water's ability to enter the ground.
Fog is a cloud that has its base at or near the ground.
There are a lot of applications for remote sensing but the
most common use for this is for image processing and interpretation. Image
processing allows things like air photos and satellite images to be manipulated
in such a way that they can use for creating maps and other various projects. By
using image interpretation in remote sensing an area can be closely studied without
the researcher being physically present there.