They <span>are determined by the mean annual temperatures and precipitation. With a little less rain the </span>steppe<span> could easily turn into a </span>desert<span>. More rain and it would be classified a prairie.</span>
Answer:
the trend that favor the more leaning curve from the explanation
Birds have a hard time in cold weather, because their body temperatures are higher than those of humans They provide warmth and insulation against colder temperatures. Many birds grow extra feathers in the months leading up to colder weather, so that they'll stay warmer when temperatures drop.