Which of these statements about light microscopes and electron microscopes is not true? a.) you can use light microscopes to observe both living and nonliving cells; you can use electron microscopes to observe only nonliving cells. b.) light microscopes use visible light rays; electron microscopes use beams of electrons. c.) preserving and staining samples for use with light microscopes is necessary; preserving and staining samples for use with electron microscopes is optional.

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.

Find the mass by adding the numbers from the three sliders