a stalk of celery plant cut into four pieces of equal sizes and each piece is places into a different solution. after 30 minutes each piece is removed and measured for various physical properties. the chart shows the results of the testing, which piece of celery was in a solution the mimics the internal solute concentration of the plant, and why ?

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his 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