Why are satellite-based studies of microwaves useful for understanding processes and changes to earth’s ice, snow, atmosphere, dust, smoke, and rain?

Microwaves that penetrate haze, light rain and snow, clouds, and smoke are beneficial for satellite communication and studying the Earth from space. ... This scatterometer measures changes in the energy of the microwave pulses and can determine speed and direction of wind near the ocean surface.

Answer(1)=c; expanded food and nutrition education program; answer(2)=a; elderly and those with health issues; answer(3)=nutrition program for the elderly;