In an experimental investigation, the variable that the researcher changes or manipulates in order to see its effects is called the?

How does the cultural diversity in Nigeria contribute to political and social problems?

Avaliable. Which country has a Communist government? Japan North Korea O South Korea O Taiwan

Earth's oceans make up most of the water on the planet. True or false?

What are some natural causes of global warming or climate change?

1. What are the (4) subregions east of the Mississippi River? 2. What states are included in each? 3. The southeast is bordered by the ocean?

Which European nation was the most influential in colonizing Brazil? A. Spain B. France Portugal D. England

What crops grow abundantly in the Central Valley of Chile? A) fruit, vegetables, and wine grapes B) sugar cane, rice, and oranges C) cacao, coffee, and bananas D) corn, wheat, and barley

Sections of active fault lines that haven't experienced a significant earthquake for a long time, even though adjacent sections have, are called a. stress accumulations. b. recurrence gaps. c. seismic risks. d. seismic gaps

What is the Trans-Siberian Railroad? a. the world's longest continuous railroad line b. the major link between Moscow and Europe c. the best way to travel between Russia and Afghanistan d. the shortest railroad in Siberia

What are the 4 different fields of study of Earth's systems?