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True [87]
2 years ago
12

If carbon dioxide, methane, and water vapor were not in the atmosphere, then

Biology
2 answers:
storchak [24]2 years ago
4 0
I would say D...just because of the greenhouse effect
Leokris [45]2 years ago
3 0

D. the Earth's surface would be much colder than it is.

Ur welcome.

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An RNA molecule folds back upon itself to form a "hairpin" structure held together by a region of base pairing. One segment of t
Airida [17]

Answer:

<h2>5'-UCAAUGC-3'</h2>

Explanation:

According to base pairing rule of DNA and RNA, A is always pairs with T ( in case of DNA) or with U ( in case of RNA) with two hydrogen bonds(A=T), and C is always pairs with G in both DNA and RNA  with three hydrogen bonds ( C≡G).

As given here, one segment of RNA molecule containing sequence 5'-GCAUUGA-3', so as the rule, G always binds with C and so on, so the sequence of the binding segment would be 3'-CGUAACU-5'. it can be written as 5'-UCAAUGC-3'

4 0
3 years ago
True or false: tertiary sources can draw from, or summarize, a secondary source.
TEA [102]
True.

Tertiary sources compile and summarize secondary sources. Examples: reference publications such as encyclopedias, bibliographies, or handbooks
3 0
3 years ago
What is the name of the Island chain that Darwin explored off the coast of South America?
aksik [14]

the Galapagos

While visiting the Galapagos in 1835, British naturalist Charles Darwin observed local plants and animals.

7 0
2 years ago
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Which of the following do Meiosis and Mitosis have in common? A. They are considered to be reduction divisions as the processes
LUCKY_DIMON [66]
I think the best answer from the choices listed above is option A. Meiosis and Mitosis have something in common in a sense that they are considered to be reduction divisions as the processes result in additional <span>cells. Hope this answers the question.</span>
5 0
3 years ago
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Applying the Scientific Method to a Field Study.
Fantom [35]

Answer:

Balanced chemical equations only show formulae, not names. A balancing number, written in normal script, multiplies all the atoms in the substance next to it.

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3 years ago
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