Earth's age is best estimated by: A. chronologies developed using biblical sources B. best guess C. using fossils D. using radioactive isotope pairs to date the oldest rocks.

The measures of 2 angles are (2x+2) to the zeroth power and (3x-5) to the zeroth power. 1.) If the angles are complementary, what is the measure of the smaller angle

Which greenhouse gas has an average lifetime in the atmosphere of a few weeks to thousands of years and is the largest contributor to climate change? a) carbon dioxide b) methane c) nitrous oxide D) fluorinated gas

What is another name for a drainage basin? A) Water pool systems B) Watershed C) Integrated Water system D) Convergent River systems

What did Frederick Mueller recieve for his birthday?

1. name the three types of plate boundaries (and their subtypes), and give an example where each can be found 2. what are the relations, if any, of volcanoes and earthquakes to plate bound-aries? See"plate tectonics and people" on the website 3.

The internet and cell phones are examples of what media

What is the difference between the windward and leeward side of a mountain?

In the region made up of the United States and Canada, what large area lacks major cities? A. Northern Canada, B. Southwestern U. S., C. southeastern Canada, or D. eastern U. S.

What is the average rainfall in winter in Ireland

Which is the main purpose for global positioning technology?