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Volgvan
3 years ago
15

What were the first fossils found in Antarctica? Where and when were they found?

Chemistry
1 answer:
nexus9112 [7]3 years ago
7 0

Answer:

The first fossils were marine reptiles called plesiosaurs. They were found on Seymour Island in 1982. The first dinosaur fossil was an ankylosaur, found on James Ross Island in 1986.

Explanation:

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Which statement best explains why the virus that causes dog flu does not infect humans? In other words, why is this type of flu
zalisa [80]

Answer:

I believe your answer is : <u>The dog flu virus interacts specifically with receptors on the surface of dog cells.</u>

Explanation:

I hope this helps you :)

Pls mark brainleist :P

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<em>Tori </em>

8 0
2 years ago
Which human body system creates the force that allows the body to move?
klemol [59]
Musculoskeletal system because the mussels help move your bones.
6 0
3 years ago
Read 2 more answers
Which one of the following reactions would produce t-butyl methyl ether in high yield?
swat32

Answer:

D) sodium t-butoxide + bromomethane

Explanation:

The alkoxide ion is a strong nucleophile, that unlike alcohols, will react with primary alkyl halides to form ether. This general reaction is known as <em>the Williamson synthesis</em>, and is a SN₂ displacement. The alkyl halide must be primary so the back side attack is not hindered, and the alkoxide ion must be formed with the most hindered group.

The mechanism can be seen in the attachment.

7 0
3 years ago
if an atom of polonium-218 were to undergo alpha emission, followed by two beta emissions, which nuclide would result? lead-214
tia_tia [17]
Po, (218, 84) - Alpha Particle (4, 2) =   (218 - 4, 84 - 2) = <span>(214 , 82)</span>

(214 , 82) - 2Beta =   (214, 82 - 2*(-1)) = (214 , 84)

Polonium has atomic number of 84.

So answer = Polonium-214
8 0
3 years ago
Read 2 more answers
How does the entropy of a system change when equal volumes of ethanol and water are mixed to form a solution? these are the answ
shutvik [7]
When equal volumes of ethanol and water are mixed to form a solution, the entropy of the resulting solution increases. This is because ethanol and water are both polar substances, making them miscible. The solubility of both substances is high because they have similar attractions due to the presence of hydrogen bonding. This means that molecules of water and ethanol freely move with each other, therefore increasing the dispersal, randomness, and disorder (entropy) of the system.
5 0
3 years ago
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