The Lend - Lease Act was designed to ______.

A．By good sense of water waves made by quarries.
B．By good sense of smell and electrical and magnetic power.
C．By good sense of light.
D．By good sense of bloo

A．By turning the intensity of sunshine into maps.
B．By analyzing the recent weather report.
C．By capturing the microwave radiation from the soil.
D．By analyzing information provided by ground observation centers.