This method, I believe, only works when the circular perimeter is longer than the total distance that Car B travels. What if we have a shorter track and during those 10 hours, Car B travels around the circle more than once? In that case, 2t+20+3t = 2*r*pi*k (where k is the number of laps car B alrea...

I do not understand this discrepancy. Text: When the smooth transfer of proteins from the endoplasmic reticulum to the Golgi apparatus is interrupted, the cell dies. Answer: d) the normal distribution of proteins to the different cell components outside the Golgi apparatus will be affected The text ...

This sentence structure seems odd to me. What function in the sentence does the underlined part have? It does not modify nurses. It seems to modify 'the new rules' but is structured in a really odd way. Is that sentence an equivalent to this? 'The state has proposed new rules that would set minimum ...

I totally understand Arun's confusion. Whoever chooses C makes this assumption: If a bird cannot fly north on its own, it cannot fly south on its own. In other words, assuming that the birds' flying north or south does not make a difference is a bit too far fetched to me. The only explanation I have...