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Marina CMI [18]
2 years ago
7

An animal dies in mud, decomposes, and leaves an imprint, which is later filled by sediment to form a solid copy of

Biology
1 answer:
EastWind [94]2 years ago
8 0

Answer/Explanation:

Only the soft tissue is preserved. Normally the hard tissues are preserved(bones). But since the bones decomposed and was later filled with sediment, only the soft tissue was actually left by the animal.

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Read 2 more answers
A pharmacist has two vitamin-supplement powders. The first powder is 10% vitamin B1 and 30% vitamin B2. The second is 15% vitami
Basile [38]

Answer:

560 mg of powder 1 and 160 mg of powder 2

Explanation:

Let "X" denotes weight of powder 1 added to the new mixture and  "Y" denotes weight of powder 2 added to the new mixture

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Total weight of vitamin B2 in the mixture is equal to 200 mg

Equation 1

0.1 X + 0.15 Y= 80

Equation 2

0.3 X + 0.2 Y= 200

Let us simplify the above two equations, we will get

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Substituting value of X in equation 2 we get

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7 0
3 years ago
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