What are the characteristics of a salamander?
What will be an ideal response?
Salamanders and newts make up the order Caudata, which includes those amphibians that have tails.
Salamander is a broad term and can be used to apply to all members of the order Caudata. Newt is a narrower
term used when referring to members of the order Caudata that remain primarily aquatic throughout
their lives.
Salamanders and newts have lizard-like bodies with a tail. Most have thin, moist skin, but those living in
dry areas have thicker, dryer skin
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Chinchillas resemble small rabbits with short ears and a short, bushy tail much like that of a squirrel
Indicate whether the statement is true or false
If a resistance of 2.2 M? is connected across a 1 kV source, current equals about ________
A) 0.455 mA B) 0.455 A C) 2.2 mA D) 45.5 ?A
Under what conditions do manufacturers recommend using block heaters in mobile light duty diesels?
A. Below -10 degF (-23degC). B. Block heaters are aftermarket devices not recommended by manufacturers. C. Prior to starting an engine that has sat in a cold climate for extended periods. D. Anytime outside air temperatures fall below freezing.
In a mass production facility, steel components are to be hardened by carbon diffusion. Would you carry out the hardening process at room temperature or in a furnace at a high temperature, say 900°C? Why?
What will be an ideal response?