Which two gaseous giants did Renaissance scientists such as Galileo know about? Jupiter and Saturn
Mars and Neptune
Neptune and Uranus
Uranus and Saturn

the median of the data is 4.5.

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).