¿cual es la frecuencia de una onda si su periodo es de 0.000909​ ayuda porfavor?

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

What equation is used to calculate the weight of an object on a plant ?