Which of the following describes the relationship between elements of an ecosystem? A. Elements of ecosystems are mutually dependent on each other. B. There is no relationship between elements within an ecosystem. C. Abiotic elements are dependent on each other, while biotic elements are not dependent each other. D. A cause and effect relationship is limited to abiotic elements only.

The net below can be folded to form a square pyramid.la2419"100what is the surface area of the pyramid? 190.8 square inches| 0 217.8 square inches300. 6 square inches354.6 square inches

Identify the youngest layer in the figure ( have to click one letter)

Match the term with the corresponding definition. 1. mountains 2. geographic position 3. latitude 4. oceans 5. pressure 6. land vs. water a. affects temperature by influencing the seasonal range of solar intensity b. despite being at similar latitudes, continental locations have a larger seasonal range in temperature than waterfront locations c. local topography predict temperature and precipitation d. thinner air less able to hold heat makes climate colder e. sea surface temperature influences air temperature and evaporation rates f. affects temperature, moisture, and storm tracks