For an object to appear blue, what must the object do to blue light waves?
a) it must diffract them
B) it must refract them
C) it must shift them
D) it must reflect them

In finance, diversification is the process of allocating capital in a way that reduces the exposure to any one particular asset or risk. a common path towards diversification is to reduce risk or volatility by investing in a variety of assets.

Two 10¢  coins  (dimes)  carrying identical charges  are  lying 2.5 m apart  on a  table.  if each  of  these coins experiences  an  electrostatic force  of  magnitude 2.0 n due  to the  other coin.  the charge on each coin is :     52.2 uc

An em wave does not require a medium, while a mechanical wave does.