Butterflies have experienced a 50 percent decrease in population during the past 20 years due to pesticide use and loss of habitat.
(Butterflies; have experienced; a 50 percent decrease in population; T:during the past 20 years due to pesticide use and loss of habitat)
Butterflies
have experienced
a 50 percent decrease in population T:during the past 20 years due to pesticide use and loss of habitat