The ozone layer is contained in which layer of the atmosphere? to mesosphere the thermosphere the stratosphere the troposphere

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%

Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection