Which explains how the Sierra Nevada Mountains of California cause the southwestern United States to have a desert climate? A. The mountains block warm moist winds from the Pacific Ocean. As the air rises, it cools and loses its moisture, leaving dry winds to blow over the southwest.
B. The mountains absorb excess heat energy from the sun, which warms the air over the southwest and causes the region to be a desert.
C. The mountains block warm moist winds from the Pacific Ocean. As the air rises, it heats up and loses its moisture, leaving hot, dry winds to blow over the southwest.
D. The mountains reflect excess heat energy from the sun, which warms the air over the southwest and causes the region to be a desert.

I think it's A.

Which is not a major biogeochemical cycle? atmosphere cycle

Explanation:

A biogeochemical cycle is a pathway where a chemical substance moves through biotic and abiotic compartments of Earth

Some of the major biogeochemical cycles are as follows:

• Water Cycle or Hydrologic Cycle describes the continuous movement of water on, above, below the surface of the Earth
• Carbon-Cycle is the biogeochemical cycle in which carbon is exchanged among biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
• Nitrogen Cycle is the biogeochemical cycle in which nitrogen is converted into multiple chemical forms as it circulates among atmosphere, terrestrial, and marine ecosystems
• Oxygen Cycle is the biogeochemical transitions of oxygen atoms between different oxidation states in ions, oxides, and molecules through redox reactions

The producers of an ecosystem take up several basic inorganic nutrients from their non-living environment. These materials get transformed into the bio mass of the producers. The biogeochemical cycles always have a state of equilibrium occured when there is a balance in the cycling of the elements between compartments.

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Final answer:

The 'atmosphere cycle' is not recognized as a major biogeochemical cycle unlike the oxygen, carbon, and nitrogen cycles which contribute to the sustainment of life on earth.

Explanation:

In the field of biology, particularly in ecology, there are several important biogeochemical cycles that help regulate the environment's elemental balance. The oxygen cycle, carbon cycle, and nitrogen cycle are all recognized as major biogeochemical cycles. However, the 'atmosphere cycle' is not part of the main recognized biogeochemical cycles.

The oxygen cycle, carbon cycle, and nitrogen cycle facilitate the circulation of essential elements through organisms and the environment, contributing to the sustainment of life on earth. Conversely, the term 'atmosphere cycle' is not recognized within the scientific community as representing a distinct or significant cycle in this context.

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Answer:false just did this class

Explanation: