4. Valora la importancia de los experimentos científicos en torno a la generación espon-
tánea.

. Valora la importancia de los experimentos científicos en torno a la generación espon- tánea.

Explanation:

. Valora la importancia de los experimentos científicos en torno a la generación espon- tánea.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

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.