50 + points whoever gets this corrects and if you are wrong i will report you!

which facts about the world’s rain forests are true?

choose all answers that are correct.

a. half of the known plant varieties in the world are found in rain forests.

b. less than 1 percent of the plants in the rain forests have been tested for medicinal
purposes.

c. the proportion of earth’s landmass covered in rain forests has decreased by 50
percent since 1950.

d. every continent except antarctica has a rain forest.