Covalent bonds:
A) share electrons equally and are the strongest of the three types of chemical bonds.
B) trade electrons equally and are the weakest of the three types of chemical bonds.
C) share electrons unequally and are the strongest of the three types of chemical bonds.
D) trade electrons unequally and are the weakest of the three types of chemical bonds.
A
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A class interval limit of 60 to 69 pounds includes all measurements from _______ to _______.
A. 59.49 to 69.49 B. 59.50 to 69.50 C. 59.50 to 69.49 D. 60.49 to 69.50
Answer the following statement(s) true (T) or false (F)
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Emergency responders serve to protect
a. lives, property, and the environment. b. only what the Mayor directs them to protect. c. the community from hazardous materials. d. everything but hazardous materials.
What disease process is associated with much higher risk of tuberculosis?
a. Asbestosis b. Coal worker's pneumoconiosis c. Sarcoidosis d. Silicosis