Look at the picture of the fragmented rock.

What has most likely caused it to break up like it is?
A.
cutting with a knife
B.
physical weathering
C.
chemical weathering
D.
drilling holes with a drill

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots