All of the following is leading to less habitable land for human populations except fewer wildfires. A wildfire can burn a natural area.
A wildfire is a fire that can burn an entire natural area (e.g., forest, grassland, prairie, etc).
Wildfires are generally due to anthropogenic (human) unconscious activities, but they can also be natural (for example, wildfires caused by lightning).
It has been proposed that when considering the total surface area burned at the global Earth level, wildfires declined over the last decades.
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<span>Oxygen travels to insect tissues through tiny openings in the body walls called spiracles, and then through tiny blind-ended, air-filled tubes called tracheae. Therefore, insects obtain oxygen through the spracles, which are small abdominal holes that lead into traecheal tubes called tracheae that branch into smaller tubes called tracheoles. From there, oxygen diffuses into body cells.</span>
To the best of my knowledge, there are only two and they would be ribose and deoxyribose
hope this helps if not just let me know
1. All thriving things need energy in order to defend themselves (escape danger) and perform functions such as growth, maintaining balance, repair, reproduction, movement.
Sorry, I don't completely understand the second one
