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Earth Sciences 7 Online
OpenStudy (heathero):

No-Till Farming and Contour Farming are two examples of preventing soil erosion. true or false

OpenStudy (anonymous):

true

OpenStudy (anonymous):

help

OpenStudy (heathero):

1)Mechanical waves require a medium, such as air, to travel through. Electromagnetic waves do not need a medium to travel through, as they travel through radiation 2)radio waves 3). X-rays have greater frequency than microwaves

OpenStudy (gottennis121):

@HeatherO Please no direct answers to @Linkito2

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