Tobacco has been linked to many health problems. what is the most complete list of forms of tobacco that cause cancer? a. cigarettes and snuff
b. chewing tobacco and snuff
c. cigarettes and chewing tobacco
d. cigarettes, chewing tobacco, and snuff

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

the last one: artificial selection/genetic engineering

plant breeding is modifying the genetic composition of the plant - but this isn't cloning (which is specifically introducing a gene into a genome). but you are artificially selecting for the phenotype that you want.

the second one is literally genetic engineering - the gene would have been cloned first and then inserted or genetically engineered into the new plant cell (the cotton).

the correct answer was location c, because earth is tilted away from the sun at this time