A scientist is measuring how quickly different liquids flow down a ramp. She notices that water flows more easily
than dish soap.
Which property of water is the scientist observing?
A. Viscosity
B. Compression
C. Crystalline structure
D. Surface tension


Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car