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Travka [436]
3 years ago
12

What is suggested to have contributed to the Permian period mass extinction? volcanic activity climate change meteorites all of

the above
Biology
2 answers:
docker41 [41]3 years ago
6 0
VOLCANIC IS THE ANSWER.
ira [324]3 years ago
3 0

Answer:

All of the above

Explanation:

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Matthew takes two 50-milligram iron tablets each day. How many<br>grams of iron does he take daily?​
sammy [17]

Given –  

Mg of iron tablets consumed = 50 mg

Number of tablets consumed = 2

So,

Total mg of iron tablets consumed = 2 X 50 mg

                                                          = 100 mg

Total grams (g) of iron tablets consumed = 100 X 0.001 g

Because  1 mg = 0.001 g

So,

Total grams of iron tablets consumed would be 0.1 grams.  

6 0
4 years ago
Ribonucleotides (rNTPs) and deoxyribonucleotides (dNTPs) are different for the following reason(s):
vfiekz [6]

Answer:

b. dNTPs lack a hydroxyl group on the 2' carbon of their ribose sugar.

Explanation:

Ribonucleotides (rNTPs) and deoxyribonucleotides (dNTPs) are the monomers for RNA and DNA respectively. Both are the nucleotides with a pentose sugar, a nitrogenous base, and a phosphate unit. The Ribonucleotides (rNTPs) and deoxyribonucleotides (dNTPs) differ from each other with respect to pentose sugar. The ribonucleotides (rNTPs) have ribose sugar while deoxyribonucleotides (dNTPs) have deoxyribose sugar. The deoxyribose sugar of dNTPs lacks hydroxyl group at 2' carbon which is otherwise present in the ribose sugar.

3 0
4 years ago
What feature makes water a polar molecule? A. A water molecule is negatively charged. B.The middle of the water molecule contain
Aliun [14]

The ends of the water molecule have opposite electrical charges.

100% correct

Teacher Approved

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4 0
3 years ago
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ANSWER FOR BRAINLIEST AND 40 POINTS!!!!!!
Katen [24]

Answer:

true

Explanation:

8 0
3 years ago
What provides structure for plants.<br><br>Carbohydrates, Lipids, Nucleic acids, or Proteins?
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Fats and oils are usually made up of fatty acids and glycerol. Proteins are a class of macromolecules that can perform a diverse range of functions for the cell. They help in metabolism by providing structural support and by acting as enzymes, carriers or as hormones. The building blocks ofproteins are amino acids.
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