The great majority of nitrogen (95 to 98%) in soils can be found in the form of ________
A) dissolved anions
B) secondary minerals
C) dissolved cations
D) organic compounds
E) primary minerals
D
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Marissa has had her entire thyroid gland removed because of a malignant tumor. She takes synthetic thyroid hormone to replace the thyroxine that her thyroid gland would have produced, but she is worried about her blood calcium. Does she need to worry about this problem?
A) No, the synthetic thyroid hormone will also control the calcium. B) Possibly, it depends on whether the parathyroid glands were taken with the thyroid by accident. C) No, hormones from the liver and kidneys will regulate calcium through the intestinal tract. D) Yes, without the calcitonin, high blood levels of calcium will cause convulsions. E) Yes, without the calcitonin she may suffer heart failure.
Battery electrolyte is a mixture of water and ________
A) Sulfuric acid B) Lead peroxide C) Sulfur Dioxide D) Lead sulfate
The RTO timer in an SLC 500 PLC must use a reset command to force the accumulator back to a zero value
Indicate whether the statement is true or false
All of the following are elements of section views except:
a. Cutting plane line b. Hidden lines c. Arrowheads d. Section lines e. Letter identifiers, such as A-A