12. morphine and codeine are the chief mind-affecting chemicals in the pain-relieving drug a. heroin b. opium c. methadone d. all of the above

Enzo sits with a small group of friends at lunch. lately, he has been very quiet and stays home a lot even though his friends invite him to go places. he likes to play video games in his free time and is slightly overweight. which behavior is a sign that enzo may need professional mental health treatment? a) being overweight b) playing video games c) withdrawing from activities d) having a small group of friends

Jackson's doctor has suggested he begin increasing his intake of foods that contain plenty of vitamin c. which foods might he add to his diet? yogurt, fish, and cheese tomatoes, strawberries, and peppers whole wheat bread, brown rice, and white potatoes poultry, eggs, and bananas

Aspeed limit sign that says "night" indicates the legal speed between sunset and sunrise. a. minimum b. maximum c. only d. average