Explain the relationship of visible light to the overall electromagnetic spectrum.
what is meant by the term "doppler shift" and how is it used as a tool in astronomy?
explain in detail what occurs within the atom to create absorption and emission spectral lines.
explain the difference between angular resolution and magnification of a telescope.
which is more indicative of the power of the telescope?
how is wien's law applied in astronomy?

Which statement best explains the relationship between an area's geography and the temperature of its surface water? areas at low altitudes have the warmest water because they receive the most direct sunlight. areas at low altitudes have the warmest water because they have the least change in temperature throughout the year. areas at high latitudes have the warmest water because their days are the longest. areas at high latitudes have the warmest water because they have the longest seasons.

Which of the following situations is an example of an internal migration? a. moving to mexico city, mexico b. moving to san diego, califormia c. moving to toronto, canada d. moving to london, england

In a cold pack which type of reaction draws heat from the surroundings