not sure but I think it is under skin/nose/Uncertain Behavior
Answer:
I would expect that the sample has only 50% of the original 235 U.
Explanation:
That is because 235 U has a half-life of 700 million years and I expect that my sample be 350 million years old. 350 is half of 700.
The right answer for the question that is being asked and shown above is that: "B. Proportional to the amount of food taken in by the cell" If energy is needed to remove a phosphate group from a chain in ATP, you can conclude that the energy needed for production must be p<span>roportional to the amount of food taken in by the cell</span>
<span>If Noam chooses a filter, it might be more effective than a screen. After using it for a while, though, he will have to replace it, which could be expensive. A screen might be less effective, but it can be cleaned instead of replaced.</span>
