What percentage of low income people are between 25 and 29 years old? a) 4.0% b) 6.8% eliminate c) 8.1% d) 10.0%

satellites are frequently used to make observations of the orbit on earth

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).