Answer:
there body's will move forword
Explanation:
i took the test
You should assume dairy calcium and DO NOT DRINK ALCOHOL
Answer:
the time taken for the radioactivity of a specified isotope to fall to half its original value.
The half-life of an isotope is used to describe the rate at which the isotope will decay and give off radiation. Using the half-life, it is possible to predict the amount of radioactive material that will remain after a given amount of time.
Explanation:
Answer:
Every living organism is made up of cell or cells. Hence, cells are known to be the basic unit and characteristic of life. All organisms need certain characteristics to survive such as air, energy and water. Oxygen is required by almost every living organism to breathe. Carbon dioxide is essential for plants as they will not be able to carry out photosynthesis without it. Nitrogen is also essential for the building of macromolecules like amino acids by the living cells.