4. which of the following is the best example of
biodiversity?
a in sri lanka, over 30 species of tree frog are in
danger of becoming extinct.
b atlantic salmon may swim 500 miles against a
river current just to spawn.
c sequoia national park has more than 1200
plant species.
d birds have feathers with different colors.

C.

Explanation:

Biodiversity refers to the number of unique organisms within a region. C best explains that with the 1200 species of plant.

P.S. Thanks for separating the options. It´s a small detail that helps my eyes.

fabric is silk wool ext. paper isnt

explanation:

u cant make fabric out of paper cause paper comes from wood while fabric comes from animals

explanation:

idk