1.what impact we are having on earth.
2.give examples of sustainability
3.examples of how to save our planet earth .
just need some

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

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it