The answer is A. the estimated number of residents who would have voted for channel 1 is higher for group A than Group B.
I believe it’s true, since Competition will occur between organisms in an ecosystem when both try to use the same resource and the resource is in limited supply. Animals compete for food, water and space to live. Plants compete for light, water, minerals and root space.
63 in water 100/g KNO3 Potassium nitrate
It adds more carbon into the atmosphere
I am not sure but here is a link to help you :)
https://www.ncbi.nlm.nih.gov/pubmed/22322095