The table below shows the population of Salem every 10 years from 1900 to 2000. Which category of land use would you least expect to find in Salem today? Table:
YearPopulation of Salem 1900: 3,826. 1910: 8,806. 1920: 12,864. 1930: 14,777. 1940: 23,217. 1950: 33,456. 1960: 41,760. 1970: 47,191. 1980: 116,163. 1990: 214,611. 2000: 256,462.

A. industrial
B. residential
C. agricultural
D. commercial

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.

wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.