QuestionAugust 21, 2025

23 A carbon sink is anything that absorbs more carbon from the environment than it releases. Which process carried out by krill results in the accumulation and storage of carbon for a period of time? (1) Photosynthesis in the atmosphere releases carbon to the atmosphere. (2) Respiration in the geosphere releases carbon wastes into the atmosphere. (3) Elimination of wastes in the hydrosphere stores carbon on the ocean floor. (4) Acidification in the biosphere stores carbon in the bodies of organisms.

23 A carbon sink is anything that absorbs more carbon from the environment than it releases. Which process carried out by krill results in the accumulation and storage of carbon for a period of time? (1) Photosynthesis in the atmosphere releases carbon to the atmosphere. (2) Respiration in the geosphere releases carbon wastes into the atmosphere. (3) Elimination of wastes in the hydrosphere stores carbon on the ocean floor. (4) Acidification in the biosphere stores carbon in the bodies of organisms.
23 A carbon sink is anything that absorbs more carbon from the environment than it releases. Which process carried out by krill results in the accumulation and storage of carbon for a period of time? (1) Photosynthesis in the atmosphere releases carbon to the atmosphere. (2) Respiration in the geosphere releases carbon wastes into the atmosphere. (3) Elimination of wastes in the hydrosphere stores carbon on the ocean floor. (4) Acidification in the biosphere stores carbon in the bodies of organisms.

Solution
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Answer

(3) Elimination of wastes in the hydrosphere stores carbon on the ocean floor. Explanation 1. Identify the process related to krill Krill are small marine organisms that live in the ocean, part of the hydrosphere. 2. Analyze each option (1) Photosynthesis is not performed by krill. (2) Respiration releases carbon, not stores it. (3) Elimination of wastes by krill can lead to carbon storage on the ocean floor. (4) Acidification refers to chemical changes, not directly related to krill storing carbon.

Explanation

1. Identify the process related to krill<br /> Krill are small marine organisms that live in the ocean, part of the hydrosphere.<br /><br />2. Analyze each option<br /> (1) Photosynthesis is not performed by krill.<br /> (2) Respiration releases carbon, not stores it.<br /> (3) Elimination of wastes by krill can lead to carbon storage on the ocean floor.<br /> (4) Acidification refers to chemical changes, not directly related to krill storing carbon.
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