Primary tool and object of agricultural production

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

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.

Which of the following shows the results that you would get if you tested beef using the four tests in the gizmo