Which statement describes an interaction between the biosphere and the atmosphere that is related to photosynthesis?
O During photosynthesis, plant
roots take in water from soil.
O During photosynthesis, plants take in carbon dioxide from the air.
O Through photosynthesis, energy stored in plants is released into the air.
• Through photosynthesis, energy stored in
plants is transferred to humans who eat them.

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

What is the name of the ocean current that affects the british isles? how does it influence their climate?

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.