A dog may become frightened and cower when it hears loud thunder. This is an example of a reaction to what kind of stimuli?chemicals

light

touch

sound

Answers

Answer 1
Answer:

A dog may become frightened and cower when it hears loud thunder. This is an example of a reaction to sound stimuli. Therefore, option D is correct.

What do you mean by stimuli ?

Stimuli are changes in the internal or external environment that can be detected. That which influences or causes an increase in physiological activity or response in the entire organism or any of its parts.

Touch and pain are examples of external stimuli, as are vision, smell, taste, sound, and balance. External changes activate these sensory stimuli. Pain and touch: Pain is a stimulus that can elicit a significant response from the body. Pain can also alter an organism's behavior.

A dog may become frightened and cower when it hears loud thunder. This is an example of a reaction to sound stimuli because dogs have excellent  hearing so when it hears loud thunder it was a frightened reaction.

Thus, option D is correct.

To learn more about the stimuli, follow the link;

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Answer 2
Answer: The answer to your question would be sound because dogs have excellent  hearing so when it hears loud thunder it was a frightened reaction. :)

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Which of the following observations led physicist James Chadwick to perform experiments that eventually led to the discovery of the neutron?A. Protons alone were not able to account for the density of an atoms nucleus. B. Atomic nuclei possess shells similar to the electron shells of atoms. C. Some atoms contained more protons than electrons.

How many elements are in a set whole numbers between 3 and 15

Answers

The set of elements composed of whole numbers between 3 and 15 consists of 4, 5, 6,7,8,9, 10, 11,12,13,14. Counting these, the number of elements is 11. 

Determine the freezing point of an aqueous solution containing 10.50 g of magnesium bromide in 200.0 g of water.

Answers

For an aqueous solution of MgBr2, a freezing point depression occurs due to the rules of colligative properties. Since MgBr2 is an ionic compound, it acts a strong electrolyte; thus, dissociating completely in an aqueous solution. For the equation:

                                ΔTf = (Kf)(m)(i)
where: 
ΔTf = change in freezing point = (Ti - Tf)
Ti = freezing point of pure water = 0 celsius
Tf = freezing point of water with solute = ?
Kf = freezing point depression constant = 1.86 celsius-kg/mole (for water)
m = molality of solution (mol solute/kg solvent) = ?
i = ions in solution = 3

Computing for molality:
Molar mass of MgBr2 = 184.113 g/mol

m = 10.5g MgBr2 / 184.113/ 0.2 kg water = 0.285 mol/kg


For the problem, 
ΔTf = (Kf)(m)(i) = 1.86(0.285)(3) = 1.59 = Ti - Tf = 0 - Tf

Tf = -1.59 celsius

Which is an example of pseudoscience? A. use of X-rays to observe the bones of the arm B. use of DNA analysis to determine paternity C. use of vaccines to prevent the occurrence of disease D. use of astrology to predict the personality of a child

Answers

Answer is D. use of astrology to predict the personality of a child

Astrology is not a science, astronomy is a science.
Astrology is more related to myths, legend and human interpretation of the sky, universe, planets.
Which is an example of pseudoscience? 
Answer:
D. use of astrology to predict the personality of a child 


Stained glass can be useful for _____________________a. transmitting light and displaying colorful images.
b. churches to draw in new patrons who want to view its beauty from inside.
c. reflecting and absorbing light, as well as displaying colorful images.
d. creating mirrored images of light and colors on the surrounding walls of a religious structure.

Answers

Stained glass can be useful for churches to draw in new patrons who want to view its beauty from inside.

What is stained glass?

Stained glass is defined as a glass material which is made colored by means of adding metallic salts during the manufacturing process which imparts color to the glass.

These are used in many decorative purposes like decorating windows . The colors are imparted to the glass by mixing metal oxides into the colorless glass in its melted state.Sometimes fusion of a colored glass with a plain glass to make a stained glass is also used.

Stained glass is also prepared by glass paint where in streaks are introduced in glass by means of light firing in a furnace or a kiln.Silver stain is a range of compounds where in silver compound are mixed with binding substances and then applied to surface of glass,which are then fired in a furnace or in a kiln.

Learn more about stained glass,here:

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A. transmitting light and displaying colorful imaged. 

PLEASE FASTER THIS IS DUE DATE, create an hypothesis for the increase in CO2 levels and the affect on crop plants

Answers

Answer:

The increase in CO2 will affect crop plants by causing in increase in global warming and therefore, will stunt plant growth and cause excessive heat to kill the plants.

Explanation:

Hope this helps! xoxo

Which term is defined as a measure of the disorder of a system? (A) heat (B) kinetic energy (C) entropy (D) activation energy

Answers

The question is asking which of the following choices is defined as a measure of the disorder of a system, and base on the question and further research of the said question, I would say that the answer would be C. Entropy. I hope you are satisfied with my answer and feel free to ask for more 

Answer:

C. Entropy

Explanation:

Heat is defined as the energy transferred from a hotter to a cooler body.

Kinetic energy is defined as the energy of a body in motion.

Entropy is a thermodynamic quantity that could be defined as a mesure of the disorder of a system. For a ordered crystal, entropy is zero.

Activation energy is defined as the minimum quantity of energy required to activate a particular chemical process.

I hope it helps!