B. The air you breathe.
Because the rest of the choices are not environmental factors. Gang activity, and access to jobs and education are not environmental because environment are things about the world.
Bright light inhibits our feelings of sleepiness by influencing the production of melatonin.
Melatonin is a hormone that your brain produces in response to darkness. It helps with the temporal arrangement of your time rhythms (24-hour internal clock) and with sleep. Being exposed to light at night will block internal hormone production. Analysis suggests that internal hormone plays different necessary roles within the body on the far side sleep.
Bright light within the evening, two hours before hour, can cause you to feel asleep and go to sleep later. If you've got bother falling asleep, dim the lights two hours before you would like to travel to sleep. If you get asleep too early within the evening, move into a well-lit space to feel additional awake.
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Answer: Fetal Alcohol Syndrome
Explanation: Fetal Alcohol Syndrome symptoms include behavioral problems that includes babies being fussy or jittery, and have trouble sleeping. While older children may have a lack of coordination, poor fine motor skills, poor social skills, learning difficulties, poor memory, difficulty in school, poor problem-solving skills, and behavioral problems such as hyperactivity, poor attention and concentration, stubbornness, impulsiveness, and anxiety.
Answer:
A
Explanation:
Laws. The system of rules, or statutes made by the government of a country, state, city. Statutes are enacted by legislative body, then signed by the ranking official (President/Governor). Everyone must follow them to be legal. Regulation is an abstract concept of management of complex systems according to a set of rules and trends. In systems theory, these types of rules exist in various fields of biology and society
Clear the yard of people and pets.