List three types of bacteria according to shape, and give an example of a disease caused by each
What will be an ideal response?
Cocci are round, spherical-shaped bacteria that cause diseases such as some forms of pneumonia and strep infections. Bacillus bacteria are rod-shaped organisms that may be single, in pairs, or arranged in chains. They cause such serious diseases as anthrax, tetanus, blackleg, intestinal coliform, salmonella, and tuberculosis. Spirilla bacteria are shaped like spirals or corkscrews. Some of the diseases they cause are leptospirosis, vibriosis, and spirochetosis.
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The _________________________ command returns the center and radius of an arc.
Fill in the blank(s) with the appropriate word(s).
What is an area located at the bottom of a vessel that receives and temporarily stores drainage from the lowest point in that vessel?
A) Sump B) Mixer C) Manway D) Gauge hatch
Animals are not an effective form of weed control
Indicate whether the statement is true or false
Why are steam boilers used in applications requiring a large heating capacity?
A) Because they provide heat beyond the range of a hot-water boiler B) Because steam pumps operate more efficiently than hot water pumps C) Because hot water boilers cannot maintain a temperature over 212°F D) Because a pound of steam takes up less space than a pound of water