The process that increases the concentration of salts dissolved in seawater is what

Which type of reaction always has an element and a compound as reactants

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?

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas