Eral
column a is on the x axis, and column b is on the axis
which titles should replace a and b?
column a should be "time," and column b should be
"position
column a should be "position and column b should be
"time.
column a should be velocity and column b should be
"speed."
column a should be speed." and column b should be
velocity

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.