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Bezzdna [24]
4 years ago
14

What can fossils show specfically?​

Biology
1 answer:
alexira [117]4 years ago
3 0
Fossils are the preserved remains, or traces of remains, of ancient animals and plants
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Why was carbon-14 perfect for determining the dates that organisms died?
Alex777 [14]

Answer: B.

Explanation:

cant be 'A' cause carbon 14 is found in any living organism and mammals are not the only living organism on this planet

cant be 'C' cause ancient plants still replenish carbon 14 molecules and it'd be impossible to now its age when its still alive

couldnt be 'D' cause yeah while alive organisms do absorb carbon 14 that still defeats the purpose of dating with the carbon 14 method cause its still also taking in carbon dioxide, so the carbon-14 molecules will just keep filling until the organism dies. the whole point of dating with carbon 14 is to measure its deplenish (dying) not continual replenish (living)

dont know if that makes any sense to you but yeah 'B' is the answer, if it isnt im stoopid but im not

7 0
3 years ago
Suppose virus A has a viral genome of 19,000 bp, and 10,000,000,000 viruses are replicated in an infected individual in a single
Kitty [74]

Answer:

1 day.

Explanation:

From the given information:

The rate of mutation induced by RNA polymerase is:

\implies \dfrac{1}{10000}= 0.0001

Since the genome comprise of 19000 bp;

To complete a single replication, the viral cycle induce: = \dfrac{19000}{1000}

= 1.9 \ mutation \\ \\  \simeq 2 \  mutation

However, in a single day; 10,000,000,000 viruses are reported to be replicated.

Hence, if a virus has 2 mutations; Then 10,000,000,000 virus will have:

= \dfrac{10,000,000,000}{2} \\ \\ = \text{5000000000 \ mutations \ in \ a \ half \ day which is half} \\ \\ \text{ the given no of the replicated virus}

SO, to round this up to whole number, it will take 1 day (s) to overcome the therapy.

8 0
3 years ago
You have decided to cross your golden retriever (bbee) with the neighbor’s chocolate retriever (bbEe). What color pups will th
Kisachek [45]

Answer:

Chocolate Retriever

Explanation:

because the dominate letter (E) will over rule the lower caseletter

5 0
4 years ago
A scientist is observing a eukaryotic cell and a prokaryotic cell. which structure could she only observe in the eukaryotic cell
nalin [4]

Answer:

The answer is D. Nucleus are only found in Eukaryotes.

4 0
3 years ago
Read 2 more answers
Why are the male testes located in the scrotum, outside the abdominopelvic cavity?.
Kryger [21]

Answer:

Because sperm production is sensitive to heat if they get too hot, cells in the tubules will not develop into sperm in temperature above 37. This is why testes are out side the body where they are cooler.

7 0
2 years ago
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