Chemical sedimentary rock is formed from which of these?
A. solutions of dissolved minerals
B. layers of organic material from things that
were once living
C. little pieces of weathered rock pushed
together
D. a combination of feldspar and silica

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.

Russia is to the east if germany ? true or false

Identify the type of weathering seen in each picture ? chemical weathering mechanical weathering