What physical property of silicon makes it useful for computer chips

Which contributions did galileo make to the model of the solar system? check all that apply.

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

In the practice of science, this type of reasoning is used to develop explanations.