Probability Is the Likelihood That an Outcome Occurs

question 1

True/False

Probability is the likelihood that an outcome occurs.

---

Definitions:

Radioactive Isotope

An isotope of an element that has an unstable nucleus and emits radiation during its decay to a stable form.

Greenhouse Effect

The process by which radiation from a planet's atmosphere warms the planet's surface more than it would without this atmosphere, largely due to greenhouse gases.

Troposphere

The lowest layer of Earth's atmosphere, where weather happens and where most of the planet's atmospheric water vapor exists.