The atoms that make up a star can be determined by studying the stars

A) corona

B) sunspots

C) emission spectrum

D) gas clouds

The Sun appears to be about 0.5° in diameter. On the equator, approximately how long does it take for the Sun to set, from first contact with the horizon to complete disappearance below the horizon?

How do rivers erode their channels

How many geographical regions are in south america

What is the difference between the Solar System, the Galaxy, and the Universe? (Select all that apply.) a. The universe contains all physical matter and energy except for that within galaxies and Solar Systems. b.

Where can the majority of Earth's freshwater be found? A. in polar ice caps B. underground C. in the ocean D. in the Great Lakes

How many offers were made ro the palestinians to create their own átate

Where is mt. kilimanjaro?

The primary purpose of Bretton woods conference was to

What was the World Trade Organization decision in 2006 related to genetically modified crops? Individual countries had the right to determine if they were going to allow genetically modified crops to come into their country.

12 out of 50 seventh graders said they would be willing to pay between $21-$30 dollars for a class trip. If there are 350 students in seventh grade, about how many would go oh the trip if it cost $30?