Examlex
After being awake for an extended period, the reason we get sleepy seems to be because there is an increase in the body of a naturally occurring compound called adenosine.
Spiral Arm
Regions of stars that extend from the center of spiral galaxies outward, appearing as swirling and prominent features structured around a galactic core.
Water Grabbing
The practice of large-scale acquisition or control of water resources by corporations, governments, or individuals, often at the expense of local communities and ecosystems.
Transboundary Resource
Natural resources that cross or are located on the borders between countries, often leading to conflicts or the need for cooperative management agreements.
Developing Countries
Nations with a lower living standard, underdeveloped industrial base, and low Human Development Index relative to other countries.
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