Answer:
Lake Chad has shrunk by 90% since the 1960s, due to climate change (desertification is turning the land to desert and is causing droughts so it gets hotter and more dry), an increase in the population and unplanned irrigation.
Brainliest answer please i need to reach the next rank
Explanation:
The guidance of the north start and direction of the sun.
The living microbial biomass includes<span> the microorganisms responsible for decomposition (breakdown) of both plant residues and active </span>soil organic matter<span> or detritus. Humus is the stable fraction of the </span>soil organic matter<span> that is formed from decomposed plant and animal tissue. It is the final product of decomposition.</span>
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