Since the late 1960s, ecologists have developed mathematical that simulate ecosystems.

answer: all : )

explanation:

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you