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.
Answer: High living standards enables citizens to carry out investments in their nation which directly leads to the future growth of a particular nation.
Explanation: High standard generally refers to wealth, comfort, material goods and necessities of certain classes, it could as mean the economic ability of an individual to buy whatever he wants.
In countries with high standard of living individuals have vast economic strength, so they can easily start up any business they desire. These businesses either large or small are building blocks for effective growth of economies of countries.
I want to say A . Hope this helps :)
I believe it's A. Sundiata Keita.