For each pair of terms, explain how the meaning of the terms differ.
1. Pesticide and biological pest control
2. Arable land and topsoil
3. Livestock and ruminant
4. Malnutrition and famine
5. Salinization and desertification

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

condensation. good luck!

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).