In the 1800 many people flocked to California to find tin (a) true (b) false

How many lightyears is it to the closes star?

The Amazon River floods its banks each year. Why would a Brazilian farmer choose to live near a river that is guaranteed to flood?

The fossils of multicellular life forms observed in rocks a. are bones that have lithified into rock b. are found mostly in igneous rocks. c. are proof of the young age of the Earth. d. are no older than ~600 million years.

The sun generates energy by nuclear fusion. Which of these choices best describes what happens during the process of nuclear fusion in the sun? A:Helium is fused to form carbon. B:Dark spots form on the sun's surface.

All of the following are thought to contribute to the changes in earth's climate except: a. an increase in solar energy due to an increase in sun spots b. an increase in volcanic eruptions c. changesin the earth's position relative to the sun d.

Describe what Scotland, Wales, and Ireland have done to maintain their unique cultures. Be sure to describe at least two examples for each country.

Why is most of Australia Unsuitable for agriculture A. the land is too dry. B. the soil is made up of clay C. the soil is made up of Volcanic ash. D. the terrain is too mountainous and rugged.

Which type of skin cancer decelopes

What occurs when the atmosphere is cooler than the geosphere

The process by which gases within Earth are emitted and eventually accumulate into an atmosphere is called o a. degassing O b. volcanic fumaroles C. ungassing O d. outgassing O e. none of the above