Lung diseases........................
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An arid environment is characterized by hot and dry climatic conditions. Plants and animals are adapted to survive in this harsh conditions. Rainfall is minimal to intermittent.
In arid environment, the climatic weathering is very slow because of no to minimal rainfall.
Mechanical or physical weathering most common in an arid environment is THERMAL WEATHERING due to constant increase in temperature.
Answer:
dinasour A lived before dinasour B
Respiring without oxygen. You use glucose but it forms lactic acid instead of co2 and water