Correct answer: A). Light slows down as it moves from the air in to the water, resulting in refraction, or a bending of light.
This is because as light travels through one media it travels in a straight line, however, when it travels from one media to another media it bends, light path bends because of the phenomenon of refraction of light.
The refraction takes place only at the boundary, as the light continues to cross the boundary, it travels in a straight line.
So, as the portion of the pencil is submerged in water, the light will travel from water to air.
Hence it appears to be broken because of refraction of light. So, the correct answer would be option A.
Commensalism<span>, in </span>ecology<span>, is a class of relationships between two organisms where one organism benefits from the other without affecting it. This is in contrast with </span>mutualism<span>, in which both organisms benefit from each other, </span>amensalism<span>, where one is harmed while the other is unaffected, and </span>parasitism<span>, where one benefits while the other is harmed.</span>
Work is said to be done when an object moves due to a force applied. Work is calculated by multiplying the force applied and the distance traveled due to the force. It is expressed as:
W = Force x distance
W = 84 J = F (7.0 m)
F = 12 N
Hope this answers the question.
Answer:
the rock layer that will most likely contain fossils is 1
Explanation:
Plants that have increased levels of mutations
that can either be in their
germ-line or somatic tissues is what the plant breeder should look for because if
plants re defective in DNA <span>repair they should have
higher rates of mutation .</span>
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