What does the evidence suggest as a cause of the mass extinction 65 million years ago?

a. a great earthquake

b. a great flood

c. a meteor crashed to earth

d. a drastic temperature drop

Which country has the most active volcanoes in the world?

The four sacred texts written by early aryan authors are called

Where you weigh the most, on a boat, on the space shuttle, or on the moon?

What is the name of the lake near Panajachel?

How is it possible for sandstone derived from sediment deposited in a beach environment to comprise a formation that blankets a broad region?

Less developed nations are to extended families as more developed nations are to nuclear families. matrilineal families. families of procreation.

If star a has an apparent magnitude of - 6 and star b has an apparent magnitude of 5, which star is brighter in our sky?

What is one advantage of free trade?

Explain how the shading of the direct light of the sun causes a lunar eclipse.

Describe how modern science operates and distinguish it from philosophy, pseudoscience, and religion. In recognition of these distinctions, what individual (s) and methods mark the beginning of Astronomy as a science?