Which mechanism is responsible for carrying invasive species into new ecosystems? Sea waves, marine debris, ocean currents, coral, lakes, and ships

Ineed a chemical reaction takes place in which erlergy is released. arrange the reaction's characteristics in order from start to finis lower energy of reactants higher energy of products higher energy of reactants transition state sd lower energy of products

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?