Which of the Following Is Correct

question 50

Multiple Choice

Which of the following is correct?

• A)Countries with the highest growth rates over the last 120 years are the ones that had the highest level of real GDP 120 years ago.
• B)Most countries have had little fluctuation around their average growth rates during the past 120 years.
• C)The ranking of countries by income changes little over time.
• D)Even though Japan had a higher growth rate of real GDP per person than the U.S.over the last 120 years,it's level of real GDP per person is less than that of the U.S.

---

Definitions:

Skin pH

The pH level of the skin’s surface, which is slightly acidic, typically ranging from 4.7 to 5.75, important for the skin's barrier function and microbial flora balance.

Sebum-Production

The process by which sebaceous glands in the skin produce and secrete an oily, waxy substance called sebum to lubricate and waterproof the skin and hair.

Epidermis

The epidermis is the outermost layer of the skin, serving as a protective barrier against environmental damage and pathogens.

Dermis

The dermis is the thick layer of living tissue below the epidermis that forms the true skin, containing sweat glands, hair follicles, and blood vessels.