Nightmares are to as night terrors are to rem sleep; stage 4 sleep narcolepsy; sleep apnea delta waves; alpha waves stage 4 sleep; stage 1 sleep stage 1 sleep; rem sleep

Most scientific questions are based on opinions. hypotheses. observations. experimental data.

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?