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<span>The most common site of back pain is the lumbar area</span>
Answer:
Deep ocean currents Differences in water density, resulting from the variability of water temperature (thermo) and salinity (haline), also cause ocean currents. This process is known as thermohaline circulation.
Explanation:
Vascular tissue transports materials.
Biotic factors include plants, animals, fungi, algae, and bacteria so the only answer would be invasive species
