Which characteristic is not used to classify stars?

A.

size

OB. color

OC distance from Earth

OD. age

Match the mountain range with its formation. Andes - Two continents colliding Himalayas - Plates spreading Aleutian - Two ocean plates colliding Grand Tetons - Near a subduction zone APEX JE W/H

List locations where karst topography is found in the world

What is the difference between the question and hypothesis steps in scientific inquiry? a The question step provides the question to be studied, while the hypothesis step provides a proposed answer to the question b.

Where on Earth are organisms exposed to unusually high amounts of toxins, and why does this occur? a. In the North Pole and South Pole because of prevailing ocean currents, as well as the fact that deposition exceeds evaporation at the poles b.

The layers of Earth's atmosphere are separated by which of the following? a. cloud bands b. different types of gases c. changes in temperature trends d. sudden differences in air pressure

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