( DO NOT ANSWER IF U DO NOT KNOW PLEASE, URGENT ) Do the following exercise, showing all your calculations. 1. a) Compare the speed that light waves travel in air to the speed that sound waves travel in the air. (Show results in meters/second) Comment: b) How many times faster do light waves travel in air in comparison to sound waves in air? Show your working out and answer here: 2. Compare the speed of light in water to the speed of sound in water.(Show results in meters/second) Comment:

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl