The answer among the choices is letter A. Sterols is a lipid that doesn't contain a glycerol backbone because it is mostly unsaturated. It can be commonly found on fungi, plants, and animals as an important organic molecule. I hope my answer helps you.
Answer: b. gasoline
Explanation:
The leaking underground storage tanks have been found as a threat to the groundwater. The gas stations, industries and other entities use underground storage tanks to hold toxic materials like oil, gasoline underground to prevent their exposure to the air as these are flammable and volatile. Other dangerous substances include heavy metals, toluene and benzene. The leakage of these materials can contaminate the groundwater supplies.
Answer:
Examples of stimulants are dextroamphetamine (Dexedrine, Dextrostat, ProCentra), lisdexamfetamine (Vyvanse) and methylphenidate (Concerta, Daytrana, Methylin, Ritalin). Common examples are caffiene and amphetamines.
Stimulants is an overarching term that covers many drugs including those that increase activity of the central nervous system and the body, drugs that are pleasurable and invigorating, or drugs that have sympathomimetic effects.
Stimulants were first used to treat asthma and obesity. Today, they're also prescribed to treat problems such as ADHD, ADD, depression, narcolepsy, and other problems.
True that a teen with a probationary license cannot drive alone at night