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Triss [41]
3 years ago
6

The footprint of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossil?

Chemistry
2 answers:
m_a_m_a [10]3 years ago
8 0

Answer:

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of - Trace Fossils

Explanation:

A trace fossil or ichnofossil is defined as a geological record of biological activity. These provide us with indirect evidence of life in the past, such as the footprints, burrows, tracks, borings, etc that are left behind by animals, rather than the preserved remains of the body of the actual animal itself.

kherson [118]3 years ago
7 0

Answer:

Trace Fossils.

Explanation:

Trace Fossils are naturally preserved facts or evidence of any animal activity.

A trace of the burrow can give clues of the size, behavior of the animal and where he lived.

Trace fossils are the footprints of the animals filled with sediments such as Tracks which reveal how big the animal was and how fast it can move from one place another, and another sediment is the shelter made by the animal or the natural shelter in which he had lived.

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73.40%

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Answer:

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Explanation:

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Each Excedrin tablet contains 250 mg aspirin (ACE), 250 mg of acetaminophen (ACE), and 65 mg of caffeine (CAF). Calculate the th
yawa3891 [41]

Answer:

a) 37.04%  b) 37.04%  c) 9.63%

Explanation:

The theoretical percent recovery (Tr), is the total percentage of each compound in the sample. Depending on the technique used to recovery the compounds, the percent recovery will be less than the theoretical, because no technique is 100% efficient.

So, to calculate the theoretical, it will be the mass of the compound divided by the mass of the sample multiplied by 100%.

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