Which conclusion does the following fact support? Agricultural scientists are able to fortify foods with vitamins that are lacking in certain regions around the world.

1. Most of the food that we eat has been altered or added to in some way.
2. Agricultural science contributes to a healthier world population.
3. Genetic modifications and hormonal additives pose health risks.
4. Advancements in agricultural sciences are necessary to end hunger.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: