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forsale [732]
3 years ago
14

Need help on these 4 question

Biology
1 answer:
Aleksandr [31]3 years ago
4 0
5. B
6. B
7. C
8. A
I hope I was able to help!
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Stars are made primarily of helium and hydrogen. True False
dolphi86 [110]

Answer:

This is false.

Explanation:

Stars are made of very hot gas. This gas is mostly hydrogen and helium, which are the two lightest elements. ... Most stars have small amounts of heavier elements like carbon, nitrogen, oxygen and iron, which were created by stars that existed before them.

4 0
3 years ago
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What can you conclude about the advantage of the cell membrane being made up of phospholipids?
sergiy2304 [10]
The phospholipid bilayer is a universal component of all cell membranes. Each phospholipid molecule has a hydrophobic(water repelling) and a hydrophilic( attracted to water) end. This allows the phospholipids to arrange themselves in a way that makes a cell membrane not able to dissolve in water. The bilayer is also semi-permeable which allows only certain molecules to enter the cell.
 
hope this helps
4 0
3 years ago
Suppose you found a fossil of a clam shell what can you conclude about the once-living organism and how it became a fossil?
Stolb23 [73]

Answer:

Identifying the fossil is the first step. We have already identified this fossil as a clamshell. We know clam are from the sea, but if you didn't, you could conclude this from knowing where you found the fossil (likely near the beach). Discovering where it is can also lead you to a conclusion on it's arrival as a fossil, perhaps washed up on shore or buried by an animal.

Explanation:

8 0
3 years ago
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What is an alternative stable state? the first species to grow after a severe disturbance after a disturbance, a stable communit
Dima020 [189]

Answer:

In biomes the species community undergoes certain changes in evolution and growth in order to reach the climax.

Explanation:

  • An alternative stable state is one which suggests the discrete states are sperate by an ecological threshold and in opposition to the ecosystem that is changing and thereby stating that the ecosystem can exist in a variety of alternative state.  
  • The first species after origin grows develops and then declines. This community of species may be disturbed in middle such as by a fire or flood and forms the secondary community which is more diamine and resistant. The changes are known as seres in biomes.
7 0
3 years ago
What can happen after a lake receives a large input of limiting nutrient,especially fertilizers?
Anon25 [30]
<span>And algal bloom occurs

</span>
8 0
3 years ago
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