Our solar system is located in the outer reaches of the Milky Way Galaxy. The Milky Way contains over 200 billion stars. Most of the star's are not visible from Earth. Almost everything that we see in the sky belongs to the Milky Way Galaxy.
At first you have to write the variables out which are

now you have to combine like terms


now you add these two variables and end up with answer of
Answer:
The heat equation can be written as. ∂ u ∂ t = α ∇ 2 u. where u(x, y, t) is the temperature field that varies in space and time, and α is the thermal diffusivity constant.
<span>1. Which should you do in the event of a catastrophic hurricane?
</span>I think the correct answer from the choices listed above is option A. You should b<span>oard up all windows and doors.
</span><span>2. Which is the safest place to be during a tornado?
</span>I think the correct answer from the choices listed above is option A. The cellar is the safest place since it is usually underground where the hurricane cannot reach.