Iodine-131 has a half-life of 8 days. How many of the initial 6.022x10^23 atoms would remain after 1 year?

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Consider the story you just read. all but one of the choices below indicate that something is living.