Answer: B. The design of the Boeing 787 Dreamliner has also taken noise
pollution into account, and boasts noise-reducing chevrons on its
engine housings
i took test
The correct answer is D. By describing an example of how money could be stolen and sent abroad
Explanation:
In the excerpt presented, the author explains a hypothetical situation in which a bank is asked through e.mail to transfer the funds of a client to a different bank account, about this, the author remarks as e-mails do not have a handwritten signature it would not be possible for the bank to know whether the e-mail is written by the owner of the account or a criminal and then ends the text with the main claim or idea that is "it is essential that there is some form of reliable digital signature", this means the information presented before the claim support this by providing a hypothetical situation or an example of the consequences of not having a reliable digital signature and the way money could be stolen as a consequence. Therefore, the author supports the claim by describing an example of how money could be stolen and sent abroad.
D. A source that's cited in another source
Something that is direct means that you get one from place to another the fastest way and without anyone or anything interfering. Indirect means the opposite. It is not the fastest way between two points, and there may be interference or a middleman. An indirect source is one in which the information is not directly from the author of the source, but rather the source using a different source for the information.
A:)half beam
I’m pretty sure look it up on Socratic if you don’t think it is