The Environmental Protection
Agency is the United States Federal Government's agency that aims to protect
the environment by setting standards. Mercury and Air Toxics Standards sets
the limits on the amounts of mercury and other toxic are pollutants that is
emitted by power plants. It reduced emissions by 90%.
The cell membrane is a lipid bilayer made of amphipathic phospholipids, which is fluid and selectively permeable to ions and organic molecules, given that the inside of the cell membrane is hydrophobic and the outside is hydrophilic.
The physical characteristics of the cell membrane, along with the proteins and other biomolecules embedded in it, control what enters and leaves the cell.
What the cell membrane DOESN'T do, is control the nucleus of the cell.
Answer:the answer is 12 and 13
Explanation: You count the A and T together, which is 12, then you count the G and C together which is 13. I just took this on my test and got it correct
To answer the question that is: "which factors affect a river's load", we have to understand that all the things mentioned are important. All these options (river's slope, streambed shape and volume of flow) affect the amount of energy that the river has to spend and the way the river spend that energy, so, it is right to mark the alternative d) all of the above.