A population of frogs at a lake is 12 frogs per unit square meter. What will be the estimated population of frogs in habitat of 370 square meters

Coal is formed when swamplands are buried by sediment. The added weight creates heat and pressure that converts plants to coal. a. True b. False

Which is a barrier birth control method

The ocean crust: a) is the same age worldwide. b) becomes progressively younger away from the mid-ocean ridges. c) ranges in age, the oldest ocean crust is in the Atlantic and the youngest is in the Arctic.

3.3.1: Explain interregional migration patterns in the following countries: A) United States: B) Canada: C) China: D) Brazil: E) Russia Describe any patterns that emerge from looking at these five countries interregional populations:

Where else could you find a mediterranean climate in the world?

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

All of the following are examples of thematic maps except:

Which is used by scientists as evidence that Earth's inner core is solid? O A. S waves cannot travel through the inner core, creating a shadow zone. O B. Seismic waves change speed when they go from the inner core to the outer core. O C.

What role did geography play in the early African kingdoms? Volcanic eruptions scared away attackers. Mineral deposits brought wealth and power. The Great Rift separated them from the continent. Tropical storms extended the growing season.