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ziro4ka [17]
3 years ago
11

How old are the oldest known minerals

Biology
1 answer:
inna [77]3 years ago
6 0
The oldest known minerals are 4.4 billion years old.
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Which of the following occurs when substances undergo chemical changes?
Mrrafil [7]
<span>Bonds between atoms are broken and new bonds are formed.</span>
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3 years ago
What is the phenomenon that is causing the bean seedling to bend as shown?
liq [111]

Answer:

phototropism

Explanation:

Phototropism is the phenomenon that is causing the bean seedling to bend as shown.

Phototropism is known to be the growth of a plant or an organism in response to a light stimulus. This means that plants or organisms grow in the direction of the light. From the image shown, we will discover that the bean seedling is bending towards the direction of the sunlight.

This phenomenon usually occur in plants but it can also occur in organisms in fungi.

When the plants grow towards the direction of sunlight, it is known as positive phototropism while when the plants move away from the direction of sunlight, it is known as negative phototropism (skototropism).

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3 years ago
Which patient situation indicates that a patient might be experiencing an increase in his perception of pain
saveliy_v [14]

Answer:

Explanation:

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Facial grimacing or a frown.

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Restlessness and agitation.

Appearing uneasy and tense, perhaps drawing their legs up or kicking.

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3 years ago
Both animals and plants depend upon a genetic code for reproduction.<br> True<br> False
shepuryov [24]
Yes, this is True, if you didn't you or anything wouldn't be living, the genetic code is basically what makes you, from the physical features to anything else basically.
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How does prokaryotic cell division differ from eukaryotic cell division?
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Cell division is simpler in prokaryotes than eukaryotes because prokaryotic cells themselves are simpler. Prokaryotic cells have a single circular chromosome, no nucleus, and few other organelles. Eukaryotic cells, in contrast, have multiple chromosomes contained within a nucleus, and many other organelles.
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