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?

Witch of the following elements produces no harmful emissions when used as a energy source? A. coal B. oil C. wind D. natursal has

Which is the most shiniest star? (Besides the sun)

How and why has civilization changed over time

A continental climate is most likely to be found in: a. New York b. Oregon c. Florida d. Delaware E. Colorado

The effect takes place when mountains block precipitation from falling in an area.

Question One: Distinguish between sensible heat and sensible temperature. Question Two: What does air temperature indicate about energy in the atmosphere?

What makes Southern Europe so popular with tourists

Which statement is true a rock layer that has another rock layer on top on top of it A it is the same age as the rock layer below B it is no different than the rock layer below C it is older than the rock layer above D it is younger than the rock

Welfare policy is intended to assist which population? a. Children b. The elderly c. Both of these answers are correct

Southeast asia is divided into two major landforms they are