They allow the heart to pump more blood by decreasing the ESV.
Each of a Number of small areas of habitat, typically of one square meter, selected at random to act as samples for assessing the local distribution of plants or animals.
If proven to be true, a hypothesis can become a theory, a theorem, or a law. Since her hypothesis is proven to be true, it is no longer a hypothesis.
The two substances that scientists use are
carbon-14 and carbon-12
