5.
Which property is demonstrated when you see beads of water on a waxed car hood?

Answers

Answer 1
Answer:

The property of water that is demonstrated when you see beads of water on a waxed car hood is adhesion.

What are the properties of water?

The properties of water are as follows:

  • It is polar in nature.
  • It has a high heat of vaporization and high specific heat.
  • Its solid form is less dense as compared to its liquid form.
  • It illustrates other properties like cohesion and adhesion.
  • It acts as a universal solvent.

The molecules of water possess a specific property which is known as adhesion. This property of water makes its molecule associated or bound to other water molecules in order to construct a bead of water.

This property of water is also seen when domestic utensils are attached to one another with extremely high intensity.

Therefore, the property of water that is demonstrated when you see beads of water on a waxed car hood is adhesion.

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Answer 2
Answer:

Answer:

This would be the property of adhesion.

Explanation:

Water molecules attach to other water molecules to form a bead.


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Question 2 Radioactive tracers are useful in ____.A)calculating the ages of fossils

B)determining medical problems

C)fueling nuclear reactions

D)treating brain tumors

Answers

Radioactive tracers are useful in determining medical problems.

Answer: B. Determining medical problems.

Explanation:

Radioactive tracers are comprised of carrier particles that are reinforced firmly to a radioactive atom. These bearer particles shift incredibly relying upon the motivation behind the scan.

A few tracers utilize atoms that associate with a particular protein or sugar in the body and can even utilize the patient's very own cells.

Examples of radioactive tracer are - tritium, carbon-11, carbon-14 and oxygen-15 and so forth. Radioactive tracers are either injected in the body intravenously or orally.

What is the primary reason the signaling molecule is not received by every cell nucleus? Option 1: Cell nuclei have varying sizes. Option 2: The signaling molecule is too large. Option 3: Not all cells have receptors for the molecule. Option 4: The molecule is rapidly degraded.

Answers

Answer:

3. Not all cells have receptors for the molecule.

The main reason a signaling molecule is not receive by every cell nucleus is that not all cells have receptors for that particular molecule. Cells have specific receptors on their surface to recognize and respond to their corresponding signaling molecule. Cells that lack the specific receptors for a given signaling molecule will not respond to it, regardless of the size of the cell nuclei or other factors such as the stability of the molecule itself.

What are the small rooms that monks lived in called

Answers

The small rooms that monks lived in were called a cell or quarters. Monks are the people that abandon the common lifestyles and live a solitary life with meditation and peace.

Who are monks?

A monk is a person who lives a monastic lifestyle, either by themselves or in a community with other monks. They can be a member of a religious community or live in a monastery.

Monks in ancient times lived in dens made up of stones, They did hard work to control their hormones and lead a simple life. The home where monks usually live is called a cell or monastery. The cell is a small room with limited resources used by hermits.

Thus, a cell or quarters were the monks' modest living spaces. Monks are those who give up their regular lives and lead secluded, peaceful lives filled with meditation.

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Um a cell or cubicle....

Which of the following statements about terrestrial biomes is true ? A. All biomes not dominated by trees typically exhibit considerable seasonality in either temperature, precipitation, or both B. All biomes not dominated by trees have their primary production limited by a relative scarcity of water. C.One way in which tropical and temperate rain forest are different is that tropical rain forest have broad leaved evergreen trees and temperate rain forests have deciduous trees. D. Boreal forest and arctic tundra biomes are only found in the northern hemisphere. E. A & B F. A & C G. A & D H. A, B, & C I. A, B, & D J. A,C, & D

Answers

A. All biomes not dominated by trees typically exhibit considerable seasonality in either temperature, precipitation, or both

A biome is composed of various diverging ecosystems that relates with the community. Biomes can either be deserts, grassland, savanna, tropical rain forest, taiga, boreal and etc.

Echinoderms, like sea stars, have nervous system

Answers

The answer is a simple radial nervous system.

Echinoderms do not have brains. Around their mouth, they have central rings from which nerves radially run into arms and along the body. Movement is controlled by the branches of those radial nerves.

Answer:

simple radial nervous system.

Explanation:

Mammals are characterized byA. warm-bloodedness and feathers.
B. hair and feathers.
C. mammary glands and hair.
D. hair and shelled eggs.

Answers

For this question, you should know that Mammals do not have feathers so the answer cannot be A or B 
Also they do not have eggs. So the answer cannot be D 
So the answer is C :)))
I hope this is helpful
have a nice day

Answer:

C. mammary glands and hair.

Just did the test and got it right