The various enzymes in our body are . carbohydrates

lipids

nucleic acids

proteins

d) proteins

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.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.