If you were staining gram-positive bacilli and gram-negative cocci, which of these micrographs would correctly represent the appearance of these cells after staining with crystal violet, rinsing, and blotting?.

Complete the sentence to describe how light behaves as it relates to its nature (waves or particles). light travels as blank and interacts with matter as blank

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects