If you rubbed a piece of topaz against a piece of Quartz, what would happen?

Answers

Answer 1

Answer: The Quartz would be scratched.

Answer 2

Answer: well it will do nothing

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How much does hair grow on average in one month

Answers

my answer -

It depends on you, on the weather, and on your age. For most people from about eight to about thirty, hair grows about 3/4 of an inch a month. It tends to grow faster in warmer weather, perhaps an inch a month, and somewhat slower in cold weather. That's the hair on your head, of course. Hair grows roughly as fast as fingernails. And when you get older, the hair tends to become brittle and break off; that makes it look as if it is growing slower. Some people have hair that grows faster, and some have slow-growing hair, but most people are pretty close to the average of .75 inch per month. Figure nine inches a year as a good average.

P.S

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What effect has breast cancer research had on society?

Answers

Increased survival rates for those affected by Breast Cancer. Also, a union of community that raises awareness aka non profits that raise money from walks and marathons, etc. On another positive level - it has increased awareness of this cancer to the public via self screenings and breast cancer screenings via mammagrams thus resulting in earlier interventions that in turn increase survival rates.

Answer;

People who have gene mutations have more treatment options.

Explanation;

-Breast cancer is a complex disease with no simple solution, which is why researchers are tackling it from every angle. Researchers around the world are working to find better ways to prevent, detect, and treat breast cancer, and to improve the quality of life of patients and survivors.

-Some of the active areas of research include; Breast cancer causes, causes and treatment of metastatic breast cancer, reducing breast cancer risk, and breast cancer treatment among others.

What are the functions of the male reproductive system? production of semen and urine
production of gametes and hormones
production of progesterone and estrogen
production of urine and hormones

Answers

Correct answer: B) Production of gametes and hormones

The male reproductive system include a number of sex organs that play an important role in the human reproduction. All the male organ are located either on the outside of the body or within the pelvic region.

Male reproductive system includes external genital organs and internal genital organs . The external genital organs consists of penis, scrotum and internal genital organs include epididysis, accessory gland and vas deferens .

The main function of male reproductive system is the production and secretion of male sex hormones like testosterone which is required to maintain male reproductive system. It help in the production and transportation of sperm and discharge them in to the female reproductive system at the time of intercourse.

The answer here is the second option which is "production of gametes and hormones". Gametes equate to Sperm and the hormones will include testosterone.

Which region is located between 60-90N and 60-90S?Mid-Lats
Polar
Tropics
Tropical Rainforest

Answers

Answer:

Polar

Explanation:

The region located between 60 - 90N and 60 - 90S.

The poles are regions north or south of the equator high above the temperate zone.

The tropics are found straddling the equatorial regions.
The polar regions are notable for their coldness and ice caps.
Some of these regions receives diffused sunlight.
They do not receive direct insolation.

Why do you think species remain in a stage of stasis?a. A stable ecological niche leads to absence of selection pressure, which in turn causes species to remain unmodified or in stasis.
b. An unstable ecological niche leads to various selection pressures, which in turn causes the species to remain in a stage of stasis.
c. A stable ecological niche leads to various selection pressures, which in turn causes species to remain unmodified or in stasis.

Answers

The answer is A. A stable ecological niche leads to the absence of selection pressures, which in turn causes species to remain unmodified or in stasis. This can be simplified with an example: If there are just enough lions on an island and just enough buck for both species to survive without the lions starving or the buck being killed off, neither of the species would have to adapt to survive because their predator-prey relationship is stable. This means that they can continue to live in this state of stasis or equilibrium.

Answer:

A stable ecological niche leads to absence of selection pressure, which in turn causes species to remain unmodified or in stasis.

Explanation:

The appearance of fireflies at dusk is an example of a circadian rhythm because it a. is related to the phase of the moon
b. is related to the temperature of the air
c. happens daily
d. happens seasonally

Answers

It is a circadian rhythm because it happens daily. That is what circadian means as a term.

the right answer is C. happens daily

The circadian rhythm is studied by chronobiology. The circadian rhythm is the study of a 24-hour period during which a number of biological and physiological mechanisms are repeated. Circadian rhythms are modeled on an internal clock that regulates the rhythm of the waking / sleeping state, the rate of nail or hair growth, the rhythm of hormone production, blood pressure, the state of alertness, body temperature ... All living organisms have a circadian rhythm.

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During cellular respiration, the bonds of food molecules are broken, so energy can be released to fuel other cellular processes. In order for this to occur, which of the following statements must be true?A.) The energy in the new compounds that are formed must be equal to the energy in the bonds of the food molecules.B.) New compounds with lower-energy bonds must be formed when the high-energy bonds in food molecules are broken.C.) New compounds with higher-energy bonds must be formed when the low-energy bonds in food molecules are broken.D.) The new compounds that are formed must be more complex than the food molecules that were broken down.

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