How will you separate: Dirt and Water
Oil and water
Gravel and Sand
Tap water
Salt and Oil
Eggs in water
Box of toys
M&M’s Candy
Cereal in milk
Iron filings and sugar

Pls help me

Which statement is best described as a atom

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?

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory