Answer:
Stratospheric ozone is considered “good” ozone because of this beneficial role. In contrast, ozone formed at Earth's surface in excess of natural amounts is considered “bad” ozone because it is harmful to humans, plants, and animals.Most ozone resides in the stratospheric ozone layer and a small percentage (about 10%) is distributed throughout the troposphere.
These changes occur due to increased heart rate (measured by taking pulse) without maintaining his normal blood pressure is suggestive of reduced stroke volume. Both drop in blood volume and a weakened heart could cause this, however, the chest pains suggest heart damage. Failure of compensating mechanisms to maintain blood pressure suggest a serious decline in cardiac output.
Answer:
A. Cultivating crops that require less water
Explanation:
A sustainable agriculture practice is one that reduced the impact of that human activity on the environment.
A. Cultivating crops that require less water is certainly one sustainable practice because it respects the environment.
B, C and D answers are NOT sustainable practices and put in danger the reserves of water people will need to drink. On top of that, B and C would generate pollution for the transport.
This is true, comets have long, indefinite life spans.
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