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mojhsa [17]
2 years ago
13

Scientists are studying a graph showing the time differences between the seismic P-waves and the seismic S-waves as they travel

through Earth. Which information can they learn from the graph?
A. The magnitude of an earthquake

B. The duration of an earthquake

C. The epicenter of an earthquake

D. The intensity of an earthquake
Biology
1 answer:
Furkat [3]2 years ago
4 0
C. The epicenter of an earthquake
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The changes to the cuttlefish’s skin are related to _______.
Pachacha [2.7K]
The bands of circular muscle structures that are located at the cuttlefish skin are most likely responsible for the changes of its outer covering. In addition, the colour cells that are present on the cuttlefish skin were estimated to be about 10 million which is why it was coined "the chameleons of the sea."
7 0
3 years ago
2. Empirical evidence is based on opinion and personal experiences. a. true b. false
Andrew [12]

Answer:

false

Explanation:

"Empirical" means "based on observation or experience," according to the Merriam-Webster Dictionary. Empirical research is the process of finding empirical evidence. If there are flaws in the way that empirical data is collected, the research will not be considered valid.

3 0
3 years ago
4
patriot [66]

Answer:

Mammals first appeared

Explanation:

The dinosaurs became extinct one million years after the Cenozoic era started. The mammals first appeared as the modern culture first appeared in that era.

5 0
3 years ago
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An organism's genome is analyzed and found to contain 18% guanine. What percentage of that organism's DNA is adenine?
Oxana [17]

Answer:

32%

Explanation:

According to Chargaff in his complementary base pairing rule, he stated that the proportion of purine and pyrimidine bases is equal to 100%

That is, A + T + G + C = 100%

Where A=T and G=C i.e the proportion of each base pair is equal.

Hence, if the Guanine content is 18%, it means the Cytosine content of that DNA molecule must also be 18%. Therefore:

18 + 18 + A + T = 100

A + T = 100 - 36

A + T = 64

If the sum proportion of Adenine and Thymine is 64% and each must contain equal proportions, A or T = 64/2 = 32

Hence, Adenine contains 32%, likewise Thymine.

6 0
3 years ago
Can I get help with these two questions?
Ahat [919]

HEY DEAR..

1》 All stars die, and eventually — in about 5 billion years — our sun will, too. Once its supply of hydrogen is exhausted, the final, dramatic stages of its life will unfold, as our host star expands to become a red giant and then tears its body to pieces to condense into a white dwarf.

so options B is the correct answer.

2》protostar is the answer...

hope its helpfull

5 0
2 years ago
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