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 correct answer is - d. spring.
The unusually high tide is called spring tide.
This tide is higher than the average tide, and much higher than the tide in the period when it is the lowest.
The spring tide always appears after a new moon or a full moon, which is a clear indicator what influences it. The higher a tide is, the bigger the influence on the water bodies by the Moon's gravitational pull, and vice versa.This tide is actually the biggest difference between the high tide and the low tide.
A contour line<span> or isoline </span>connects points<span> on a map that are of </span>equal<span> value. Examples of contour </span>lines<span> or isolines are isobars (pressure) and isotherms (</span>temperature<span>). Perhaps the prototypical example of a contour </span>line<span> is that which </span>connects points of equal<span> elevation (that is, height above sea level).</span>
<span>the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries.
I hope helped ^-^</span>
