El volumen de un gas a 35°C y 1 atm. de presión es de 200 l. ¿Qué volumen ocupará el gas a 65°C y a una presión de 750 mm Hg? Formula: P1 x V1/T1 = P2 x V2/T2 * 224.8
223. 9
222.9
225

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

What type of graph presents information about how often certain or traits occur?