What have the Germans done to help clean up space junk? and Different countries have explored or are exploring different methods to clean up space junk. Explain why some methods may be more effective than others?

the sunflower because each experiment got the same results

hope this !

-payshence

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.