What always affects measurement error in an experiment?
a. investigator bias
b. variability in nature
c. instrument precision
d. misreading the instrument

oak trees? ? what was listed

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !