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kozerog [31]
3 years ago
9

How have marine sediments helped scientists learn about ancient climates?

Biology
2 answers:
Alexxandr [17]3 years ago
7 0
The species of plankton found in sediments and their isotope ratios can show the temperature of the overlying waters when the sediments were deposited.
charle [14.2K]3 years ago
5 0

Sediments on the surface of oceans act as a document of history for the earth. It is a large scale extended collection for a dead and decaying animal, rock, and sand which can help scientist to learn about ancient climates. It tells a scientist about;

1. Drop-stones and ice-rafted ruins act signification of glacial movement.

2. Pollen records in oceanic rocks can give evidence of warmth and aridity of the adjoining areas.

3. Several rock types such as shallow-water limestone are representative of tropic environments, moreover the fossils of coral reefs, also give an implication of past local climate.

4. Several organic particles can be applied to measure water temperature, at least for the moderately recent geological happenings.

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igor_vitrenko [27]

Answer:

Glycolysis occurs in the Cytoplasm

Electron Transport Chain occurs in the Mitchondria

Krebs Cycle also occurs in the mitchondria

Explanation:

Glycolysis is the first step in the breakdown of glucose to extract energy for cellular metabolism. Nearly all living organisms carry out glycolysis as part of their metabolism. The process does not use oxygen and is therefore anaerobic. Glycolysis takes place in the cytoplasm of both prokaryotic and eukaryotic cells.

The electron transport chain is the last stage of the respiration pathway. It is the stage that produces the most ATP molecules. The electron transport chain is a collection of carrier proteins found on the inner membrane of mitochondria. NADH  hydrogen ions and electrons into the transport chain.

The Krebs cycle happens only within the mitochondrial matrix. Pyruvate is formed in the cytosol of the cell, then imported into the mitochondria.

(Credits to websites)

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Explanation:

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