The answer to this is C. Industry. It's the only man made factor.
Given what we know, we can confirm that Salt marshes are an example of an ecosystem service.
<h3>What is an ecosystem service?</h3>
This describes situations in ecosystems that are beneficial to human life. This example describes the way in which salt marshes provide humans with a steady and stable source of fish that are important to the fishing industry.
Therefore, we can confirm that the Salt marshes are an example of an ecosystem service.
To learn more about ecosystems visit:
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Plants such as the cactus reside in the desert biome.
The answer to this question is :
D. Obstacle Evaluation
Answer:
Use a head tilt (tilting the head backward) and chin lift to prevent the tongue from obstructing the upper airway, and look for the foreign body that is causing the obstruction.
Explanation.
The backward head tilt and chin lift will prevent the tongue from obstructing airflow.
If the foreign object can be seen and removed, do so. Usually, it is not wise to use the fingers unless the foreign object is visible and accessible.
The next step is to perform CPR because the patient is unresponsive.