La solubilidad de cierta sustancia en agua, a 40ºC, es de 50g de soluto/ 100g de agua. Teniendo en cuenta este dato, y suponiendo que se trabaja a esa temperatura, encierra la o las respuestas correctas:
a) Una solución de 52 g de soluto en 100g de agua, es:
SATURADA DILUIDA SOBRESATURADA CONCENTRADA
b) ¿Qué sucederá si elevo la temperatura de la solución a 60°C?
c) ¿Qué debería hacer si quiero diluir la solución? Justifica

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth

How does human environment effect the biosphere