what are two ways electromagnetic waves are used in a home computer scanner O A. an image is produced when a silicon chip releases electrons by the photoelectric effect B. red light shines on a black-and-white object and light is reflected according to the pattern of black and white C. visible light is reflected off an object and then captured by a charged-coupled device D. x-rays shine on object ant the rays pass through or absorbed by the object

Explanation is in the file

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1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.