Answer:
single replacement
Explanation:
In the question it says one element replaces another element which means there is only one replacement.
Resultant displacement between the base camp and the cave will be 7.211 km
Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.
Her resultant displacement can be calculated using Pythagoras theorem
= 
= 52
H = 
= 7.211 km
Resultant displacement between the base camp and the cave will be 7.211 km
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The correct answer is the Black Market.
The Black Market refers to the informal (and sometimes formal) system of trading of illegal goods by merchants and dealers of products such a weapons, drugs, and good that have been banned by countries. This can also apply to informal marketplaces in countries with sanctions placed upon them get goods that formal treaties are blocking the people from accessing.
A. a<span> = 1.3 m/s^2</span><span>; </span>FN<span> = 63.1 N</span>
Explanation:
what happens is that light slows down when it passes from the less dense air into the denser glass or water. This slowing down of the ray of light also causes the ray of light to change direction. It is the change in the speed of the light that causes refraction.
