An astronomer measures the light coming from two stars, star a and star

b. they appear to be equally bright. from other measurements, she knows that star b is actually twice as far away as star

a. what can she conclude?

What climate zone has the fewest people living in?

Analyze/explain the following statement: Atmospheric instability is critical weather-maker.

3. Which of the following only happens within the arctic or antarctic circle? A. The Sun reaches the zenith B. The Sun rises in the west and sets in the east C. The Sun does not cross the meridian D. The Sun is up for 24 hours at a time

What is the eccentricity of Earth's orbit? 00.048 0.017 1.00 O0.206

Which landforms occur at different locations on earth

Which of the following is true about ecosystems?

1. When governments seek a favorable trade balance, they want A to raise taxes on exports B imports to equal exports C to export more than they import D to import more than they export

What is the longest street in ontaro

3) Which of the following may move and cause an earthquake to occur? A: Asthenosphere B: Lithosphere C: Plate D: Mantle

What statement best describes the relationship between power and authority? A. Authority is a type of power used only in democracies. B. Authority is the ability to use power legitimately. C.