Which of the following statements is false?I. Nutrients are cycled in the ecosphere in biogeochemical cycles.II. Elements in the rock cycle are generally cycled slower than elements in gaseous cycles.III. Biogeochemical cycles are driven by the sun and by gravity.IV. There are three types of biogeochemical cycles: air, water, and land.V. The hydrologic cycle involves the ocean, air, land, and living organisms.Change the false answer above to a true statement.
What will be an ideal response?
IV is false. There are many types of biogeochemical cycles, including carbon, nitrogen, phosphorus, and sulfur.
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Would you expect polypropylene to be denser or less dense than low-density polyethylene? Why?
A. Polypropylene should be more dense given that the polyethylene is already known to be of low density. B. Polypropylene should be less dense because its molecules are not able to pack together as tightly. C. Polypropylene should be more dense because it has a greater molecular mass. D. Polypropylene should be more dense because its molecules are able to pack more closely together.
____ connect(s) atoms by sharing the energy of paired electrons
a. Covalent bonds b. Hydrogen bonds c. Cohesion d. Adhesion
Horsts are:
A) blocks of crust jostled upward along normal faults. B) blocks of crust jostled downward along normal faults. C) blocks of crust jostled left along normal faults. D) blocks of crust jostled right along normal faults.
The atmosphere is an important reservoir (pool) in all the following cycles EXCEPT ________
A) phosphorus B) hydrologic C) nitrogen D) carbon E) Technically, the atmosphere is not an important reservoir in any of these cycles.