Waves occur when the motion of the medium is parallel to the direction of the wave.

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Adepositional also feature that forms where a stream enters a lake or an ocean is a

What is the most important factor in determining climates.