Chromatic aberration is caused by:

A: imperfect shape of lens

B: uneven filtering of various colors

C: different refraction of the light spectrum

D: uneaven reflection of light colors

Fleas often live on dogs or cats and bite them for meal of blood. This can be harmful to the cat or dog that is bitten. What type of symbiotic relationship is that?

Which is the best definition of a solution? A. A solution is any two liquids mixed. B. A solution is two gases mixed together. C. A solution is the same as a mixture. D. A solution is a mixture that has the same composition throughout.

What is the maxium amount of work that a 6000 watt motor can do in 10 seconds?

How do geologists use seismic waves to learn about the Earth's interior?

A book weighing 12 n is placed on a table. how much support force does a table exert on the book?

Work is a product of A force and distance B force and heat energy C cause and heat energy D cause and effect

An exploration submarine should be able to descend 1200 m down in the ocean. If the ocean density is 1020 kg/m3, what is the maximum pressure on the submarine hull?

Why cooking pans don't have have metal handles?

Why will marchers at the end of a long parade following a band be out of step with marchers nearer the band

How would you explain photosynthesis to a new student in class