Which property can be observed just by looking at a mineral?

-luster

-streak

-hardness

-reactivity to acid

The smallest high tides occur when the moon phase is

Waldo is traveling through the mountains of Syria and Turkey. He was walking to the people there and he learned that the people see themselves as a distinct ethnic group and they speak their own language.

Determine if the statement is always, sometimes, or never true. The opposite sides of a parallelogram are congruent.

The Pacific Ring of Fire is a region ringing the Pacific Ocean that is prone to earthquake and volcanic activity. Question 1 options: True False

Benjamin Franklin: improved mail service between England and the colonies developed the subsidence theory of coral reef formation organized a three-year, world voyage with HMS Challenger all of the above

scientists classify rocks into three different types what are the main basis for the classification system they chose?

What is the process where materials separate into different layers due to density?

Que fuentes de datos son utilizado por los demógrafos

What are the principles of puritanism

A large stream of moving water that flows through the ocean is called