During the formation of metamorphic rocks, what most likely causes pressure to increase?

Magma pockets rise.

Gravity pulls on rocks.

Rocks melt deep beneath Earth’s surface.

Rocks beneath Earth’s surface are forced toward the mantle.

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.

Which statement best describes the function of enzymes?