Magma that cools very slowly forms minerals with what type of crystals?

fractured

hard

large

small

How does decreasing the gas volume affect the pressure of a gas?

The excretory system,need answers for all: )

Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?