During daylight hours.
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Oxygen is released during photosynthesis, which primarily occurs during daylight hours when plants are exposed to sunlight. This process involves plants using sunlight to convert carbon dioxide and water into glucose and oxygen. So, oxygen is typically released during the daytime.
Yes, like most plants, the ashoka tree undergoes photosynthesis during the day and releases oxygen. However, during the night, the process reverses, and the tree takes in oxygen and releases carbon dioxide like other plants. So, it doesn't give off oxygen 24 hours a day.
Oxygen is a gas at 24 degrees Celsius.
The typical guideline for daily oxygen therapy treatments is at least 15 hours per day for individuals with chronic obstructive pulmonary disease (COPD) or other respiratory conditions. However, the exact duration may vary depending on the individual's specific needs and condition as determined by a healthcare provider.
Persistent agents are chemical substances that can cause casualties for more than 24 hours after they have been released. These agents remain in the environment for a prolonged period of time, posing a threat to individuals who come in contact with them even after the initial release. Examples of persistent agents include nerve agents like VX and sulfur mustard.
Based on the half-life of Na-24, after 1 half-life (15 hours), there would be 500 atoms remaining. After 2 half-lives (30 hours), there would be 250 atoms remaining. After 3 half-lives (45 hours), there would be 125 atoms remaining in the sample.