Salutations!
The biosphere is composed of all living organisms. Biosphere is a region of the earth's surface where all living organisms are able to live.
Hope I helped (:
have a great day!
What did the sink say to the toilet??
Wow, you look really flushed!!
(sorry it’s not that good)
Which one are you talking about
Explanation:
At the center its weight is zero. Or you can argue by symmetry: if the weight is not zero, in what direction would it act?