Question

the cycle begins with the weathering of rock.
carbon cycle
phosphorous cycle
nitrogen cycle
water cycle
energy cycle
question 6
the increase in carbon dioxide levels correlates with an increase in _.
volcanic activity.
the ozone layer.
earth surface temperature.
el niños.
snow-covered areas.

Explanation:

• For the first question:
• The phosphorus cycle begins with the weathering of rocks. Phosphorus is mainly stored in rocks. When rocks weather, phosphorus is released. In the carbon cycle, carbon moves between the atmosphere, biosphere, etc. through processes like photosynthesis and respiration. The nitrogen cycle involves the transformation of nitrogen in the atmosphere, soil, etc. The water cycle is about the movement of water in forms like evaporation, condensation, precipitation. There is no such well - known "energy cycle" in this context.
• For the second question:
• Carbon dioxide is a greenhouse gas. Greenhouse gases trap heat in the Earth's atmosphere. As carbon dioxide levels increase, more heat is trapped, leading to an increase in Earth's surface temperature. Volcanic activity can release carbon dioxide but the increase in carbon dioxide levels (mainly from human activities like burning fossil fuels) does not directly correlate with an increase in volcanic activity. The ozone layer is mainly affected by substances like chlorofluorocarbons (CFCs), not by carbon dioxide. El Niño is a climate pattern related to ocean - atmosphere interactions in the tropical Pacific and is not directly correlated with carbon dioxide levels in the way surface temperature is. An increase in carbon dioxide (global warming) would lead to a decrease in snow - covered areas due to melting, not an increase.

Answer:

• First question: B. Phosphorous cycle
• Second question: C. Earth surface temperature