You will use dialysis tubing to mimic and artificial cell to see if it acts as selectively permeable barrier. How will you determine if water has moved across the wall of your
dialysis tubing from the beaker into the tube?
O by looking for a decrease in the volume of water in the beaker
Othere is no way to determine if water has entered the bag
O by measuring the reduced concentration of starch in the bag
O by weighing the bag before the start and at the end the experiment

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?