Which of the following physical properties are unreliable and not unique to a particular mineral and so must be used only cautiously when identifying minerals in the absence of scientific instruments? a. hardnessb. cleavagec. densityd. color

What is the relationship between the age of a fossil and the layer of rock in which it was found?

How does cyclic movement differ from migration? A. Cyclic movement is permanent and migration is temporary. B. While both include a return home, cyclic movement involves being away from home for long periods, while migration is for short periods. C.

Ethnicity is an important means through which people can identify themselves. true or false.

Rocks may be broken down as a result of biological weathering, which is a change in the minerals that compose rocks when they are exposed to air and water. O True O False

The angular diameter of an object cannot be measured in which of the following? A. degrees B. light-years C. arcminutes D. arcseconds

Describe the physical geography of Japan, specifically the climate and physical features

What natural resource of Southeast Asia is used in making pencils?

Is coal non renewable

Select the correct answer. In what way does renewable energy differ from nonrenewable energy?

What are the main mineral and energy resources of south america?