An environmental group claims that a local chemical plant is polluting a nearby river. They are calling for a shutdown of the chemical plant. The evidence that would help you the most in evaluating the claim would be (A) a repeated study that shows chemicals produced by the plant are in water harming fish or other wild life. (The answer is A.)
If a point doesn't lie in quadrant lll then both its coordinates are not negative.
The first cells were probably photosynthetic
Answer: Prior to the process, the neuron is polarized; as the signal passes along the axon, the membrane depolarizes and repolarizes again, passing positive charges in and then back out.
Explanation:
Osmosis is the movement of water from a hypotonic solution to a hypertonic solution through a semi-permeable membrane. The cell utilizes this phenomenon to indirectly regulate water in its cytoplasm by regulating the amount of osmotically active solutes in its cytoplasm through active transport.