In case of poor economic conditions increase demands for materials and harm the health of marine ecosystems. The correct option is A.
<h3>What is marine ecosystem?</h3>
Marine ecosystems are aquatic environments with high dissolved salt levels.
These include the open ocean, the deep sea, and coastal marine ecosystems, each with its own set of physical and biological characteristics.
If the economy suffers, the resources needed to improve the health of marine ecosystems will be unavailable.
Thus, the correct option is A.
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The pituitary gland secretes a hormone called antidiuretic hormone (ADH) which reabsorbs water in the kidney from the urine