You walk outside and find your dad installing a wall of large rocks halfway down your sloping backyard. Before your dad began
building the wall, parts of your backyard looked like the picture above. Which choice is the best explanation for why your dad wants
to install this wall of rocks?
A)
He is a rock collector and thinks they will look nice in the back yard.
B)
He wants to divide the yard into two equally sized areas for gardening,
The rocks make it easier to walk up and down the sloping back yard.
D)
The rocks will keep the soil from washing down the sloping back yard.
Earth's Systems

Taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? view available hint(s)taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? the enzyme will not work on human dna.nothing should be altered.the ph should be decreased.the temperature should be raised.

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis

Why are lipids and proteins free to move laterally in membranes?