When would you use an air test for a sewer system?
What will be an ideal response?
If a sewer is installed in a wet location, which involves soil and trenching dewatering. The lines are compacted and filled, except for the joint connections. If water is present around those connections, air will reveal the leaks as bubbles.
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A carbon ____ is a measure of the impact human activities have on the environment in terms of the amount of greenhouse gases produced, measured in units of carbon dioxide.
A. unit B. block C. footprint D. impact
This structure is located within the monocot seed and is responsible for storing energy in a young plant
a. Dicot c. Endosperm b. Testa d. Scarification
Research a device called a hub. Can you fi nd any hubs in your school network? How about on online computer stores?
What will be an ideal response?
Refer to Exercise 4. The total number of assemblies that fail to meet specifications is X+Y.
a. Find 
.
b. Find 
.
c. Find P(X+Y=3).