Answer: RBCs
Hemoglobin is the iron pigment in red blood cells that helps the RBCs carry oxygen to the cells.
Weather and Climate are some examples
In an experiment, you are only allowed to test for one variable at a time. This means that everything else must be the same or constant for only the one variable to be tested for. If say you were testing if plants grow better with more or less water, you need to keep everything else the same.
Answer: 100 grams of the parent isotope will remain after one half life.
Explanation:
Mass of the isotope present at initial stage =
The mass of the parent isotope left after the time ,t=N
Time taken by the samle ,t =
The half life of the sample :
100 grams of the parent isotope will remain after one half life.