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A ship sonar detects an echo 1.6s after it sends the pluse. The speed of sound in water in 1500mls work out how deep the water is
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Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.
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What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.
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This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement
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A ship sonar detects an echo 1.6s after it sends the pluse. The speed of sound in water in 1500mls w...
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