22. A. supply
23.b.
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Explanation:
A peninsula is a piece of land surrounded by three sides.
Answer:
AFFECTED FOR PLANT GROWTH
Studies have shown that higher concentrations of atmospheric carbon dioxide affect crops in two important ways: they boost crop yields by increasing the rate of photosynthesis, which spurs growth, and they reduce the amount of water crops lose through transpiration.
affected for nutrition level
AFFECTED FOR NUTRITION LEVEL
Climate change affects food production and availability, access, quality, utilization, and stability of food systems. In short, it impacts all aspects of the food system. Extreme weather-related disasters are increasing and reduce the yields of major crops. Higher levels of CO2 reduce the nutritional value of crops.
The Black Land was the only ground the Egyptians could use to grown crops. Every year a layer of black silt deposit appeared after the flooding of the Nile which made the ground real fertile for their crops.
Answer:
B
Explanation:
Because opportunity cost is the loss of potential gain from other choices when one choice is chosen.
