Answer: If a boa lays itself up next to you it is seeing if it can eat you without hurting itself...
my answer would be the 3rd one
my bad if i'm wrong
The hydroponics root system to grow is that they use the same method as the soil root but the root volume for hydroponics is highly restricted and they don't need to use too much energy to grow.
High pitch sounds make it close to oval window. low pitch further up basilar membrane near apex of cochlea<span>.</span>
