Answer:
B
Explanation:
Text is the best paper choice.
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Answer: The most important characteristic for the development of a civilization is the presence of advanced cities because they were centers of trade, which established economies and allowed for further development of the civilizations.
Explanation:
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Answer:
The cyber cockroach is the presented external anatomy of a cockroach, with labeled views of photographs from diverse angles in place of diagrams. The cyber cockroach can be navigated around the head, thorax and abdomen with possible close up views of the legs and the images are downloadable
Cyber cockroach is a useful tool for the study of insects of the Blattodea order
Explanation:
Answer:
Following is the expression written in "Bash script" (mixture of commands):
^\d{5}(?:[-\s]\d{4})?$
Explanation:
- ^ = For staring string (denotation).
- \d{5} = Matching 5 digits (first five unknown x's)
- (?:…) = Making Group (making group of former 5 digits)
- [-\s] = Match a hyphen or a space
(checking if a hyphen is present?)
- \d{4} = Matching 4 digits (next four unknown x's)
- …? = Pattern before it is optional
- $ = Ending of the string.(denotation)
