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zhannawk [14.2K]
3 years ago
5

La corteza terrestre junto con el planeta tierra se formaron hace:​

Biology
1 answer:
gogolik [260]3 years ago
5 0

Answer

La corteza terrestre temprana apareció hace aproximadamente 4.500 millones de años, después de las últimas etapas de acreción planetaria.

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In his attempt to develop a pneumonia vaccine, Frederick Griffith injected mice with various combinations of living and dead bac
n200080 [17]

Answer:

The mice died

Explanation:

In Griffith's experiment, two strains of the same bacteria were used. S strain was smooth because it had a polysaccharide coat. This coat also made it virulent because mouse immune system was not able to destroy it and ultimately the mice died. R strain was rough because it did not have the coat and thus was harmless to mice.

When Griffith injected mice with dead S bacteria and living R bacteria together, the mice died. Live R bacteria had taken up the genetic material or as Griffith called "transforming principle" from the dead S bacteria and transformed into S bacteria. So live S bacteria were present again and they killed the mice.

4 0
3 years ago
Which of the following are reasons that crops like soybean and palm are called cash crops?
solniwko [45]

Answer:

they make a quick profit for farmers

Explanation:

cash crops are crops that are use to earn money after they are harvested

4 0
3 years ago
Read 2 more answers
Glutamic acid is probably the amino acid manufactured by fermentation in the greatest quantity. what is its major use? as a flav
Artemon [7]
<span>Answer: As a flavor enhancer </span>

Glutamate is known to be one of the most free amino acid in bacteria cytoplasm and it is present   in many proteins, tissues and peptides. This amino acid is produced in the body and binds with other amino acids to form a structural protein. However, glutamate is commonly used as flavor enhancer in foods and enhance the savory flavors impacted by glutamic acid.

7 0
3 years ago
You are concerned about the rate of death in catfish your aquaculture operation in tanks that have a high amount of algae growth
Neporo4naja [7]

Answer:

Hypothesis is ''With the increase of algae in the aquarium, fish population decreases''.

Explanation:

The main problem was that there is no need for 2 aquarium because there is no need for aquarium 1 which has no fish and aquarium 2 which has fishes but no algae. With the increase of algae in the aquarium, fish population decreases is the hypothesis for this experiment. Concentration of algae is the independent variable of the experiment because there is no effect on it in the experiment.

7 0
3 years ago
Which energy carries are formed by light-dependent reactions
bija089 [108]

Answer:

ATP and NADPH

Explanation:

hope this helps

plz mark brainliest

6 0
3 years ago
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