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SashulF [63]
3 years ago
13

Use the diagram below to answer the following question.

Biology
1 answer:
zalisa [80]3 years ago
7 0

Answer:

C) The brown trilobite fossils are older than the yellow shell fossils

Explanation:

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Answer: Asexual

Explanation: Since only one parent is needed, asexual reproduction is more beneficial. It is a "simpler" (in terms of not needing two mates to fornicate) and causes species to reproduce at a faster rate

5 0
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Until recently, scientists were unable to observe subatomic particles. Which of the following
Delvig [45]

Answer:

D.

Explanation:

4 0
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Which star has an temperature of 10,000 K and a Luminosity of 10^2
MaRussiya [10]

Answer:

i think White Dwarf

Explanation:

We are given that the star has a temperature of 10,000 K and a luminosity of 10^2. According to the HR diagram, a star with the surface temperature of 10,000 K would be a white dwarf and if the star were on the main sequence, then it would have a luminosity nearly 100 times more than that of the sun. However since the actual luminosity is 10,000 times smaller than this, this star must be a white dwarf since it has 10,000 K and 100 aka 10^2 luminosity

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3 years ago
In Photosystem II, an excited electron helps pump hydrogen into the thylakoid. What are the hydrogen ions used for? Explain how
Darya [45]

After the special pair gives up its electron, it has a positive charge and needs a new electron. This electron is provided through the splitting of water molecules, a process carried out by a portion of PSII called the manganese center^9 . The positively charged P680 can pull electrons off of water (which doesn't give them up easily) because it's extremely "electron-hungry."

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A species has homologous chromosomes. what does this say about the species?
kow [346]
This may say that the species is affected or infected by a disease.
3 0
3 years ago
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