Why are geologists not able to date sedimentary rocks directly?

How is the sun different from other space objects

What might you look for in a indicator species

Scientist that studies languages

According to the theory of continental drift, what was the original state of the world's continents

Distance east or west of the prime meridian is measured in degrees of?

When the Europeans traveled the Mississippi and the Amazon rivers, what did they bring to the native peoples of both continents? A. Gifts and wisdom B. Exotic plants and animals C. Smallpox and other disease D. Technology and knowledge

What are the major controlling factors for the variations of the water mass in the ocean?

The climatic effect that influences precipitation and air flow locally is

Does oceanwater contain any other minerals than salt

What comes to bedsides icy bridges battlefronts and crumbling bridges?