Please help! A. Umbra B. Corona C. Eclipse D. Penumbra

1. _The outer, larger, lighter shadow

2. _ During a solar eclipse, the moon
covers the sun, a small ring of fire is
visible around the edge

3. _ to vanish

4. _the inner, darkest, cone-shaped
shadow is

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.