1. Una joven sentada en el puerto de La Palma observa que en un minuto 20 crestas de las ondas del agua golpean uno de los postes del puerto y que la distancia media entre crestas sucesivas es de 1,5m. Calcular: La frecuencia de las ondas, El periodo de las ondas, La rapidez de propagación

Does anyone have an answer to this question? if so me.

Which of the following best reflects what we know about how the flu virus moves between species? a) the flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected. b) a flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans. c) an influenza virus gains new sequences of dna from another virus, such as a herpesvirus; this enables it to be transmitted to a human host. d) an animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.

Which action encourages homophobia? tolerating others’ opinions welcoming someone into a group respecting others' differences accepting inappropriate terminology