Cloning will not lead to designer babies because clones are a complete copy of the person being cloned. The clone would need to be genetically modified to be considered designer
Coast. or continental slope depending which end.
You didn't really provide any possible answers here. However, it's very easy to say that the responsible actors for impulse transmission across the synapses from one nervous cell to another nervous cell is what we call neurotransmitters. These are special molecules that can have different effects when binding onto the required receptor sites.
Sea levels rise, loss of habitats, extreme weather events, loss of ecosystems (not enough time for them to adapt to increase in heat) hope that helps