Mesopotamia was susceptible to invasion because it was located in such a vulnerable, open area. There were no mountains surrounding it from invaders, so enemies could easily get in the great empires that thrived off of the very fertile land. Many people wanted to invade because of the fertile land and easy access to the Tigris and Euphrates Rivers.
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Answer:
G) contributes
Explanation:
The statement is an opinion told in the style of being a universal truth/saying or a quote; hence Present Indefinite tense is used. Also the use of Present tense in second clause (is what counts) requires the use of present tense in first clause. So, options A and F are incorrect (because they use Past tense).
In Present indefinite tense, we add s/es after verbs when the subject of the verb (man) is singular, so option B is incorrect.
Moreover the sentence structure requires use of a verb after the subject (man), hence options C, D, and E are incorrect (they have nouns).
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Answer:
I think it is b. to determine how the vice president was chosen
Explanation:
I looked it up and the internet said this
"Passed by Congress December 9, 1803, and ratified June 15, 1804, the 12th Amendment provided for separate Electoral College votes for President and Vice President, correcting weaknesses in the earlier electoral system which were responsible for the controversial Presidential Election of 1800." -
Document for December 9th: 12th Amendment
Augustus was the founder of the Roman Principate. The Roman elite was the highest class of the Principate, meaning they were of utmost importance.
Voltage-gated (voltage-dependent) channels and antiport carriers are both types of transporters. Thus, option (d) is correct.
What is Voltage-gated?
The term voltage-gated refers to the allowing or blocking of passage through a cell membrane in response to an electrical input.
Voltage-gated ion channels are membrane proteins that allow certain inorganic ions to cross cell membranes. An antiporter is a membrane protein that simultaneously transports two molecules in opposite directions.
As a result, both are the type of the transporters. Therefore, option (d) is correct.
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Your question is incomplete, but most probably the full question was
A) receptors.
B) structural proteins.
C) enzymes.
D) transporters.