What does hierarchical society mean?

What are changes in an ecosystem due to natural and human activity?

Which of these is an example of a hypothesis? A) Temperature changes may be due to wind patterns. B) Wonder why some layers of rocks contain fossils. C) Add different kinds of soil to three potted plants. D) Observe fish swimming up a stream.

What is the capital of Kingston

Which of the following would be true if something was at absolute zero? Choices are: A. The molecules that make up a sample wouldn't be moving. B. The molecules that make up a sample would be moving very slowly C.

Who lives in Antarctica? A) A large native population B) A large number of South American immigrants C) A small group of researchers D) A small number of natives

What can teacher asks about Canada?

What is the difference of a high-pressure area and low pressure area in density

What should a farmer do who wants to keep his soil as productive as possible

1. Describe the most important diagnostic properties in igneous rocks. 2. What minerals would you expect to form in basalt? (Hint: Consider composition and Bowen's reaction series). Explain your answer.

What is the most important role of the ecosystems of the Andes? A. Keep the environment stable and reduces air pollution B. Reduce the chance of floods, desertification, and landslides C. Regulate the availability of freshwater D. All of the above