Why did native americans develop different cultures

Journey stations were established throughout the mongol empire every miles.

When something is moving, it is in motion. pressing the gas pedal in a car will put the car in motion. two important properties of motion are speed and direction. speed is how fast an object is moving. tony and tanya both run for the same amount of time, in the same direction. tanya runs much further than tony in that time. how does tony's speed compare to tanya's speed? a) their speed is equal. b) tony is slower than tanya. c) tony is faster than tanya. d) without a stopwatch, you can't say for certain.

Which of the following will increase a population's growth rate? read the following scenario and answer the question(s) below. population growth is at the root of many serious environmental problems. from the ancient babylonians thousands of years ago, to thomas malthus two centuries ago, to present day neo-malthusians, humans seem to possess an awareness of earth's limitations in the face of growing populations. today, our ability to accurately quantify and monitor population growth is very sophisticated. we can measure growth and make predictions about world growth with mathematical and computer models. despite long-lasting, rapid global population growth that is only recently starting to show signs of slowing, we have thus far been able to avoid global catastrophe. can we continue to avoid disaster? which of the following will increase a population's growth rate? increased urbanization increased industrialization increased immigration decreased immigration increased emigratio