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HACTEHA [7]
3 years ago
8

In the United States, the average age of menarche has _____ since the mid-nineteenth century.a. Increased marginally

Social Studies
1 answer:
iVinArrow [24]3 years ago
7 0

Answer:

b. Declined significantly

Explanation:

There were some studies of the timming of menarche, From the sixth to the fifteenth centuries in Europe, most women reached menarche on average at about 14, between the ages of 12 and 15, but earlier years studies found that fewer than 10% of U.S. girls start to menstruate before 11 years of age, and 90% of all US girls are menstruating by 13.8 years of age, with a median age of 12.4 years.

Image attached extracted from : Boaz, N.T. (1999): . Essentials of biological anthropology. Prentice Hall, New Jersey,

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NISA [10]

Answer:

Hello There!!!

Explanation:

Egyptologists believe the pyramid was built as a tomb for the Fourth Dynasty Egyptian pharaoh Khufu (often Hellenized as "Cheops") and was constructed over a 20-year period. Khufu's vizier, Hemiunu (also called Hemon), is believed by some to be the architect of the Great Pyramid. Khufu was the first pharaoh to build a pyramid at Giza. The sheer scale of this monument stands as testament to his skills in commanding the material and human resources of his country.

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Who did Rome learn their fighting style from? Why do you think Rome chose to learn from them?
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Construct a concept map on the difference between meiosis and mitosis using the given descriptions below.
algol13

Answer:

The main difference between mitosis and meiosis is thag mitosis prosuces two daughter cells that are genetically identical to parent cells while meisos produce daughter cells that contain half of the gentic material of the parent cell

Explanation:

During meisis is where the single cell divides twice to produce four cells containing half the original amount of genetics. The sex cells/ gametes produce during the cell divison.

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3 years ago
Which types of goods have elastic demand.
Lunna [17]

Answer:

none essential Goods

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4 years ago
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Basile [38]

health is as much a social as a biological concern.

Explanation:

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Health is as social as a biological concern. These days one does not have to blood related or carry a heredity disease to pass over to the environment. It could be a normal flu that can affect a whole nation because of the suffocated surrounding and population. In such case, the government has to detect the problem and understand the process and try to reduce it. The government takes note of every change in the society beginning from products to the surrounding.

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