Answer:
D
Well in a cornfield, its only corn and if your a hebirvore, its heaven there, but for canviroe's it doesnt work out to well, also corn field's are normally in a farmer's land, so meat eating animals dont really liketo go there, or they migth get shot
Hope this helps!
4) stimulating the production of antibodies
so in future when you catch the same cold your body will be able to produce antibodies quickly because the memory cell remembers the antibodies that fights off the colds
i hope this helps and sorry if this is wrong
An eco-city is a city built from the principles of living within environment means. The ultimate goal of many eco-cities is to eliminate all carbon waste (zero-carbon city), to produce energy entirely through renewable resources, and to merge the city harmoniously with the natural environment; however, eco-cities also have the intentions of stimulating economic growth, reducing poverty, using higher population densities, and therefore obtaining higher efficiency, and improving health.