Create a script of dialogue that could occur between a conservationist and a person who lives in a bioderversity hotspot. Need help plz

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos

How does the structure of fats enable them to hold so much energy?