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harina [27]
3 years ago
8

Which two components make up the greatest percentage of the atmosphere

Biology
2 answers:
Dovator [93]3 years ago
6 0
Nitrogen and Oxygen make up the greatest percentage of the atmosphere.

Hope I helped love! <3
Vika [28.1K]3 years ago
4 0
Nitrogen and Oxygen.
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Which marked location on the map above would you expect to have greatest biodiversity?
Sauron [17]

The answer would be D. Tropical Rainforest, this would be due to the abundance of rain which creates plenty of vegetation and then, more herbivores will live in the rainforest, and the more herbivores there are, the more carnivores will come to the rainforest. The canopy of the tall trees also provide shelter for countless of thousands of species of birds.

6 0
3 years ago
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If the nucleotide sequence on one side of a DNA molecule is CCTAGCT, then the sequence on the complementary strand of DNA will b
valentinak56 [21]

Answer:GGATCGA

Explanation:

The complementary double helix of the DNA are antipararell to each other.

Chargaff's rule state that Adenine always pairs with thymine (double bond) and Cytosine always pairs with guanine (triple bond).

Therefore if a DNA molecule is CCTAGCT, then the sequence on the complementary strand of DNA will be GGATCGA as written below

5' CCTAGCT 3'

3' GGATCGA 5'

5 0
3 years ago
PART II
Sidana [21]

Answer:

Iron -> Fe - Group 8

Silver -> Ag - Group 11

Mercury -> Hg - Group 12

Oxygen -> O - Group 16

Gold -> Au - Group 11

Potassium -> K - Group 1

Xenon -> Xe - Group 18

Magnesium -> Mg - Group 2

Hydrogen -> H - Group 1

4 0
2 years ago
What three taxa do all these organisms have in common?
madreJ [45]
They are all live organisms
8 0
3 years ago
If a double-stranded segment of DNA has been found to have 23 purines and 15 thymines, how many guanines are there?
Serggg [28]

Answer: 4 Guanines

Explanation: Following Chargaff's ratio that describes the ration of purines to pyrimidines as 1:1, if there are 23 purines, it follows that there should be 23 pyrimidines; 15 Thymines should therefore be hydrogen bonded to 15 Adenines by complementary base pairing.

We are then left with 8 nucleotides composed of guanines and cytosines in complementary base pairs. This means that half that number (4) should be guanines and the rest cytosines.

8 0
2 years ago
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