Answer:
Electromagnetic waves have crests and troughs similar to those of ocean waves. The distance between crests is the wavelength. The shortest wavelengths are just fractions of the size of an atom, while the longest wavelengths scientists currently study can be larger than the diameter of our planet!
Explanation:
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C weather or not the plants are exposed to sunlight
Gold and copper are less reactive than Hydrogen.
Hydrogen is less reactive than tin. This means that tin is more reactive than Gold and Copper.
<span>Calcium and Aluminum are the one reactive than tin.</span>
A ray box is the answer I give
Answer:speed of slower cyclist is 5 mph
Explanation:
Given
Distance between two cyclist is 50 miles
One cycle is 4 times fast as other
Speed of slower cyclist is r miles per hour
speed of faster cyclist is 4 r
they meet after t=2 hr
Distance traveled by fast cyclist is 
Distance traveled by slower cyclist is 
speed of slower cyclist is 5 miles per hour
