____ is somewhat affected by cleanliness, requiring little preweld cleaning.
A. Mild steel
B. Aluminum
C. Stainless steel
D. Low carbon steel
Answer: C
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In the male, meiosis results in the development of how many sperm cells?
a. 1 c. 3 b. 2 d. 4
The primary means to avoid non-point source nitrogen and phosphorus pollution in agricultural watersheds is to avoid applications that bring the available supply of these nutrients in soils to amounts higher that can be used by crop plants
Indicate whether the statement is true or false
The arrow in a symbol for a semiconductor device __________
A) Points toward the negative B) Points away from the negative C) Is attached to the emitter on a transistor D) Both A and C are correct
The primary advantages of room air conditioners include:
A) Relatively low cost and ease of installation. B) High efficiency and quiet operation. C) Can be used for improving indoor air quality using HEPA filters. D) Can be used with ductwork to distribute air to several rooms.