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UkoKoshka [18]
2 years ago
15

Help!!!! Me pls !!!!!!!

Biology
1 answer:
Darya [45]2 years ago
7 0

Answer:

C

Explanation:

the first 2 choices aren't even systems at all, and D is specifically talking about the water and not mentioning animals/plants at all.

hope this helps!

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Limestone deposits can help researchers learn about what the area was like
Ivahew [28]

Limestone deposits can help researchers learn about what the area was like  thousands of years ago as Limestone can contain fossilized plants and animals.

Explanation:

  • Limestone often contains fossils of shelled sea creatures. Entire reef formations and communities of organisms are found preserved in limestone.
  • The types of fossils found in limestone include coral, algae, clams, brachiopods, bryozoa and crinoids.
  • Limestone is a sedimentary rock made almost entirely of fossils.
  • Fossils are the remains of ancient plants and animals, like an imprint in a rock or actual bones and shells that have turned into rock. Fossils are found in sedimentary rocks and hold the clues to life on Earth long ago.
  • Limestone is composed of the mineral calcite; calcium carbonate. It often has variable amounts of silica in it, as well as varying amounts of clay, silt, and sand. Limestone rocks fall under the category of sedimentary rocks that are made from mineral calcite.
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Talja [164]

Answer:

300Hz

Explanation:

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A strand of DNA has the bases AGTAAC. Using letters, show the matching DNA strand.
kkurt [141]
The matching DNA strand would be A - T, G - C, A -T, A - T, C - G, or in other words TCTTG (because you had the strand AGTAAC). 

Always remember that A pairs with T, G pairs with C, T obviously pairs with A, and C obviously with G.
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The inguinal hernia results from enlargement of the opening through which vessels and nerves of the male reproductive system pas
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The above statement is very true. 
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