WorksheetsBiogeochemical Cycles
Total questions: 10
Worksheet time: 6mins
Which describes the relationship between plants and animals in the carbon cycle?
Plants produce and release oxygen that animals need
Plants produce and release carbon dioxide that animals need
Animals produce and release oxygen that plants need
Animals produce oxygen that plants turn into carbon dioxide
What process is part of the hydrological (water) cycle?
transpiration
nitrification
combustion
sedimentation
Coal, natural gas, and oil are examples of _________
the carbon cycle
products of photosynthesis
good fuels for barbecues
fossil fuels
Which of the following is true of carbon as it cycles in nature?
Carbon dioxide is released during photosynthesis
Carbon compounds rarely exist in the gaseous state
Carbons sinks include forests and oceans
The carbon dioxide concentration in the atmosphere is reduce by cutting trees
Carbon is concentrated in igneous rocks
