Answer all of the following questions:
• What are the size ranges for cobbles? (2pts)
• What...
Answer all of the following questions:
• What are the size ranges for cobbles? (2pts)
• What stream velocity do you need to carry a particle with a size of 0.02cm? (3pts)
• What stream velocity is needed to move a pebble of the smallest possible size? (3pts)
• Which type or types of sediments can be carried by a river with a velocity of 5 cm/s? (2pts)
Answers: 1
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Biology, 22.06.2019 00:40
Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
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Biology, 22.06.2019 05:50
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
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