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alina1380 [7]
3 years ago
9

Help with this I meed to get it done today please

Biology
1 answer:
Nesterboy [21]3 years ago
4 0
#11.) Phacops. It lived in the late Devonian Period (~400 million years ago).

#12.) Carbon-14 is a good radioactive isotope for determing the age of artifacts from a burial site thought to be associated with the most recent early humans because it is present in all organic matter (which humans have, of course).

#13.) 3, Devonian.

#14.) From the Devonian Period through the Triassic Period.

#15.) Cenozoic.
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Answer:

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6 0
3 years ago
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The innermost serous membrane covering the heart is the: Group of answer choices synovial layer peritoneum visceral pleura visce
stepan [7]

<u>Answer:</u>

<em>There are innermost serious membranes that cover the heart is Parietal Pericardium.</em>

<u>Explanation:</u>

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The<em> main function of pericardium</em> is to protect the heart from any injuries and prevent the infections. The serious pericardium helps in<em> lubricating the heart. </em>

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3 years ago
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kenny6666 [7]

Answer:

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Explanation:

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Humans, as consumers impact biodiversity in either beneficial or harmful ways.
Lelechka [254]
<h2><u>Answer:</u></h2>

<em>The main direct cause of biodiversity loss is land use change (primarily for large-scale food production) which drives an estimated 30% of biodiversity decline globally. Second is overexploitation (overfishing, overhunting and overharvesting) for things like food, medicines and timber which drives around 20%.</em>

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