Why do cells only contain half their genetic material in meiosis?

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons

The baltic sea has been called a scandinavian mediterranean explain why that comparison seems logical

In which year, did the number of jewish refugees nearly double from the previous year?