The emission of light from a radioisotope occurs during
decay.

Explain why the rate of urbanisation is in the way it is between developed and undeveloped countries.

5. there were nearly 1,000 pirate attacks between 1994 and 2005 off the coast of according to the international maritime bureau's annual piracy report for 2005.

Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.