The core technique of modern biotechnology is/are 1)chemical engineering
2)genetic engineering
3)both
4)none​

the answer is both 3

Genetic engineering and Chemical engineering are the two main techniques that gave birth to modern biotechnology.

I'm just guessing it ok I not sure

3)Both

Explanation:

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.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .