Sonar means sound; the equipment uses sound waves typically to measure the depth of the ocean. Hope this helps :)
I believe the answer is Lack of legal marriage-<span>Lead to nuclear family.
This cause a large portion of African-american kids have to grow up with only the support of single parent.
Eventually, the majority of the single parent unable to divide time between work and child caring well enough and caused a defect in either economic or child development.</span>
The land ordinance of 1785 made it so that the US could survey the land in the Louisiana territory and settlers could buy that land for farming.
I hope it helps!
People who need life-saving drugs cannot do without them and surely will be willing to pay very high prices for them because a monopolist, such as one selling life-saving drugs, still faces downward-sloping demand curves.
Drugs are chemical substances that, when consumed, cause changes in the physiology or psychology of living organisms. Pharmaceuticals are generally distinguished from foods or substances that provide nutritional supplements. Drugs are consumed by inhalation, injection, smoking, ingestion, absorption through skin patches, suppositories, or sublingual dissolution.
In pharmacology, a drug is a chemical substance, usually of known structure, that produces a biological effect when administered to a living organism. Pharmaceuticals, also known as drugs or medicines, are chemical substances used to treat, cure, prevent, diagnose, or promote health. Medicines have traditionally been obtained by extraction from medicinal plants, but more recently they have also been obtained by disorders of organic synthesis.
Learn more about Drugs here: brainly.com/question/26254731
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I'm pretty sure you have to pick between them and examine the pictures you've chosen
