The answer would be A. whose
B. who's would not make sense in this situation because who's is a contraction which means 'who is'. If that was to be used in the answer, the sentence would be, "Margaret wants to knwo<em> who is</em> bike this is," which makes no sense whatsoever
Whose shows possession
Hope my answer helped! :)
Answer:
Its looks fine as is, I would just change it to "Oh yea." Josh says, ect.
Or you could say "oh yea." Josh says, "I forgot to mention that throwing a little gathering with some people you and I know." Put something here about what 'Josh' is doing (he looks at you, he looks away, ect.) "You better get comfortable because tonight is going to be one hell of a night."
Explanation:
While the band played, the crowed danced
You are probably right since i remember seeing something about it...
ANSWER:
0.253 T
EXPLANATION:
we know that Lorentz force (force on a moving conductor ) is given by
F= 
where B= magnetic field
I= current through conductor
sinΘ=90° given
so F=BIL
B=

=B\frac{dA}{dt}
=B×0.25

=B×2.5

B=0.253 T