Most parts of the country have daylight savings. in fall we set our clocks back an hour. in spring we
turn our clocks forward an hour. why? what is the advantage? what is the disadvantage?

the earth is tilted and the sun goes down earlier some parts of the year

Explanation:

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.