Which of the following is true of alloys? A. They’re liquid solutions
B. They must contain a metal
C. They must be held together by chemical bonds
D. They can only be composed of metals

The diagram below shows a cell placed in a solution. a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution. only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it. it will expand as water moves into it. it will shrink as water moves into it.

How have the greenhouse gasses increased from the year 2000 to 2018

List the path of the respiratory system