Question 26 of 35
Corundum is the second-hardest mineral on Mohs' hardness scale. How does
this property make corundum useful to humans?
A. It means corundum can be used to make fireworks yellow.
B. It means corundum can be used to flavor foods.
C. It means corundum can be used as pencil lead.
D. It means corundum can be used to grind down and shape
fingernails.

Answers

Answer 1

Answer: it means corundum can be used to grind down and shape fingernails

Explanation:

Answer 2

Answer:

D

Explanation:


Related Questions

does coal, solar energy, hydroelectric power, or wind power take the most power

Answers

Answer:

wind power

Explanation:

on average onshore winter buying with a capability of 2.5 - 3 MW can produce more than 6 million kwh in a year minus enough to supply 1500 average EU household with electricity.

when do you think friction can be helpful ? try to think of a situation friction is necessary

Answers

Answer:

friction stops tyres skidding in the road and prevents shoes slipping on the pavement .it grips the ground a prevent sliding

the distance from Earth to the moon is about 384,400 km. How many light-years is this?

Answers

Answer:

10-8

Explanation:

PLEASE HELP, WILL MARK BRAINLEST TO WHO ANSWERS FIRST WITH THE RIGHT ANSWER

The diagram below shows the sequence of events and processes which resulted in the origin of life.


Picture shows a flow chart with a rectangle labeled non-living matter at the top, an oval labeled A below it, and a rectangle labeled appearance of bacteria at the bottom.


Which of these processes best fits the oval labeled A?


chemical evolution

biological evolution

atmospheric transformation

geological transformation

Answers

Biological evolution beat fits the oval Labeled A

Answer:

chemical evolution

Explanation:

This type of evolution is what we believe started the origin of life. Chemical evolution is when something changes to have different abilities (which in this case would be true).

Have a great day everybody!

Though all humans start off the same way, give a brief explanation about what makes us all so different

Answers

Haha yep what they said

Nigel lives near a chemical plant that spews sulfur dioxide into the air. At first, Nigel could not stand the smell of the gas in the air. However, after some time, he no longer even notices the presence of the gas. What kind of tolerance has his body developed? a behavioral tolerance b. a physiological tolerance a genetic tolerance d. a physical tolerance​

Answers

Answer:  Genetic Tolerance

The answer is Genetic Tolerance because the definition of it is "Genetic resistance (or genetic tolerance) refers to the ability of certain organisms to endure environmental conditions that are extremely stressful or lethal to non-adapted individuals of the same species ."

Answer:

B.) A physiological tolerance

Explanation:

please help!!!!!!!!!!!!

Answers

Answer: A. Directional selection

Explanation: Good luck! :D

Give me 3 reasons Mitosis is essential to life (with an explanation)

Answers

Answer:

¿Por qué es importante la mitosis para los seres vivos?

La división celular por mitosis es decisiva para el desarrollo de los organismos y su reproducción; aunado a ello, es necesario que cada nueva célula sea genéticamente idéntica de la que proviene

Explanation:

Why is the vacuole in a plant cell larger than a vacuole in an animal cell?
The vacuole in the plant cell produces ribosomes.
The vacuole in the plant cell controls cellular activities.
The vacuole in the plant cell performs photosynthesis.
The vacuole in the plant cell maintains turgor pressure.

Answers

Answer:I think = The vacuole in the plant cell maintains turgor pressure.

Explanation:

which is a force that holds atoms together

Chemical bond
electron shell
valance electron
Chemical formula

Answers

Answer - like glue The strong force keep the pronouns together to form the nucleus. The strong forces and ELECTRON forces both hold the atom together.
answer is chemical bond

1. What enters a plant when stomata open? *
O carbon dioxide
O oxygen
O nutrients
O sugar
2. Loss of water vapor through stomata is called *

Answers

Answer:

The answer for 1 . Carbon dioxide

The answer for 2. Transpiration

Explanation:

Why should we clean our hands with soap before eating

Answers

Answer:

Because our hands be dirty they have to be clean when you eat

Explanation:

Washing your hands before eating a meal is a simple and effective method of infection prevention.

When you eat without washing your hands, the bacteria and germs that are left on your fingers and palms can be transferred to the inside of your mouth. This can cause illnesses and infections.

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HELPP I’m doing some other work Nd I don’t have enough time to do this 40pts

Answers

Answer:

1) jaws

2) amniotic eggs

3) turtle

4) lancelot, because they are farthest apart and share the least amount of traits

Explanation:

as you make your way through the cladogram you'll see that with more traits being added the less alike they are. for example turtle is closest to leopard because they share all the previous traits excluding hair which something only the leopard has.

a is a part of the shore that sticks out into the beach​

Answers

Answer:

headland

Explanation:

Listed in the Item Bank are individual steps that need to be ordered. To find out more information about steps, some have more
details available when you click on them. Drag and drop the steps in the proper order by placing each in its corresponding open
rectangle. Be sure that the earliest step is placed next to the number 1.
Succession happens in predictable ways. Can you put the steps in order?
ITEM BANK: Move to Bottom
Grasses
Larger trees
Shrubs
Flowering plants
Small trees and shrubs
Soil formers
1
drag and drop answer here
N
drag and drop answethere
3
drag and drop ansvar here
4
6

Answers

Soil formers, grasses, flowering plants, shrubs, small trees and shrubs, then larger trees.

The correct order or the step is mentioned in below soil formers, grasses, flowering plants, shrubs, small trees and shrubs, then larger trees.

What impact on plants due to depletion of nitrates or nitrogen?

Nitrate plays very vital role in our ecosystem and such that due to presence of the nitrogen plants grow rapidly as well as it produces bigger size fruits and flowers. Plants absorb nitrates in water through their roots without nitrates, the amount of the chlorophyll in leaves reduces.

Nitrate has been a common inorganic ion found in plants that has required for proper growth and development. Many growers has been included the addition of the nitrates in their nutrient regiment to the stimulate plant growth. Plants has been acquire nitrate through the root intake from the soil and water around them.

Phosphorus has a limiting growth factor in the terrestrial ecosystems because the quantity of phosphorus in soil are generally small it has been often the limiting factor for plant growth.

Therefore, The correct order or the step is mentioned in below soil formers, grasses, flowering plants, shrubs, small trees and shrubs, then larger trees.

Learn more about plants on:

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PLEASE HELP ASSIGNMENT DUE TODAY
Humans living in developed countries usually use LESS natural resources than those in non-developed countries?
True
False

Answers

False, have a nice day!

Mutations are most often
a) beneficial
b) harmful.
c) neutral.
d) deadly .

Answers

The correct answer is C.

Explanation:

Mutations MAY have negative affects, usually and unfairly categorized as “bad” or “deadly” but sometimes mutations can control genes and have major positive affects.

Answer:

the answer is C

Explanation:

yuhhhh

are chemicals that are know to cause canser

Answers

Answer:

microwave

Explanation:

Answer:

microvave

Explanation:

Which molecule does the cell use as a carrier of free energy for powering
numerous metabolic reactions?
A. Water
B. ATP
C.Oxygen
D. Glucose

Answers

ANSWER IS D. Glucose

Answer:

B. ATP

Explanation:

I just took the quiz

How is carbon dioxide affecting climate changes? Is there any evidence showing that humans can work on changing the Carbon Dioxide Levels? Can humans control them?


plsss need help!!
ASAP!!!!!!

Answers

Answer:

1.) Carbon Dioxide is being used as a greenhouse, preventing the heat from turning into thermal radiation into space.


Based on the data provided, which of the following descriptions best identifies the types of
farms that are being compared?
Select one:
O a. Farm A is a free pasture farm for cattle, whereas Farm B is a free-range farm for poultry.
O b. Farm A is a cage-free farm for poultry, whereas Farm B is an industrial poultry farm.
O c. Farm A is a grass-fed pasture for beef production, whereas Farm B is a traditional
concentrated animal feedlot for cattle.
ction, whereas Farm B is a cage
O d. Farm A is a concentrated animal feedlot for beef
free farm for poultry.

Answers

Answer:

b. Farm A is a cage-free farm for poultry, whereas Farm B is an industrial poultry farm.

Explanation: the average days in any 12-month period suggest that farm b cages while farm a does not. The antibiotic usages for farm b also suggest it is an industrial (caged) farm because most cage-free and non-industrial farms do not rely on heavy use of antibodies.

The Farm A is a cage-free poultry farm while Farm B is an industrial poultry  farm.

Farm A:

The caged day are zero means all birds can move freely in the farm area.They are not eat antibiotics to avoid infection.

Farm B:

Most of the time in year, birds are caged. They fed antibiotic to all to avoid infection in the cage.

Therefore, the Farm A is a cage-free poultry farm while Farm B is an industrial poultry  farm.

To know more about poultry farm

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What are the characteristics of the material that you think would be best to use for an artificial leg? Explain.

Answers

Answer:

Raw Materials

Explanation:

A prosthesis system should be lightweight in the first place, and thus much of it is plastic. Typically the socket is made of polypropylene. Most of the steel in the pylon has been replaced by light metals such as titanium and aluminum. The most commonly used alloys of these materials.

Various plastics currently act as the most popular materials in prosthesis, but conventional materials like wood, leather, metal and towels also play a part.

Which of the following statements about cells is true?

Answers

all cells have dna.

Answer:

All cells have DNA. Hope that helps

1. The line "... form a more perfect
Union" can be seen as a reference
to what document?
O Bill of Rights
O Ten Commandments
0 Article of Confederation
O Declaration of Independence

Answers

The bill of right if am wrong I am so so sorry.

Answer:article of confederation

Explanation:

Because I’m smart

If a strand of DNA has 10% G,
A:
C:
T:

Answers

Answer:

C would be the corresponding 10%

that leaves 80% remaining so that would be split ~ equally between the remaining 2 base pairs so

40% A and

40% T

Explanation:

i hate biology stggg

Answers

Answer:

I think it would be A

Explanation:

I’m sure it’s the first option, sixteen

32 chromosomes divided by two daughter cells equals sixteen.

True or False: Industrialized areas have more
anthropogenic air pollution that rural areas

Answers

true, industrialized areas have more man-made factories and facilities which let off pollution

Consider the generalized cladogram of fish.

A cladogram is shown. At point B, the organism shares jaws but not bones.

A fossilized fish is found that has jaws but no true bones. Where does this fossil belong on the cladogram?
A
B
C
D

Answers

Answer:

A

Explanation:

Answer:

D

Explanation:

yes

Please help soon! real answer not a guess. Thank you so much!

Answers

A!

I hope this answer helped! please rate 5 stars >:)

Please help me order these from least to greatest???

Answers

Rock moves outward, A crack forms, Magma pushes upward, Magma hardens

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