If a rock had 80 radioactive atoms in it when it was formed and it now has 40 radioactive elements in it, how old is the rock?

Which of the above examples shows the most accurate cause and effect relationship? a. example a b. example b c. example c d. example d

Japan’s key exports to africa and southwest asia are mostly a) raw materials. b) human capital. c) manufactured items. d) agricultural products.

When many cultures come together to live in a society, this is called: cultural traits multiculturalism perspective