Plants and animals species that are vanished from earth forever are called

Explanation:

In general terms, it can be called the "Room Only" Plan. Continental Plan, is where the hotel includes a daily breakfast with your rooms stay. The hotel can either affix a breakfast menu of its choice or provision for a buffet breakfast in the dining area.

A meal plan is a package that is added to a room cost to provide a bed and meals to hotel guests. It is critical for passengers to choose a meal plan after checking the accommodation prices.

Terminologies of meat plan.

• People have specific responsibilities based on their various relationships with others
• Budget Plan for money management.
• Basic food items that are prepared on a daily basis.

Characteristics of a well-planned meal:

• Meal planning determines the diet's adequacy first and foremost.
• Food selection is better.
• Aids in the maintenance of a healthy lifestyle.
• It is beneficial to the elderly.
• A good workout for the health.

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Answer:

no because it will steal all your information and will do fraud with you

Answer:

2.25/1 or 22.5/10

Explanation:

Divide 225 by 10 or 100 to get a simplified fraction.

Answer:

Monochromatic light of wavelength 632.8 nm is produced by a helium-neon laser. The power emitted is 9.42 mW. Find the energy and momentum of each photon in the light beam.

Concept Introduction:

Momentum is directly proportional to the velocity while kinetic energy is proportional to velocity squared.

Given:

We have been given,

wavelength= 632.8 nm

Power emitted = 9.42 mW

To find:

We have to find the energy and momentum of a photon.

Solution:

λ=632.8nm=632×[tex]10^{-9} m[/tex]

Power, P=9.42mW=9.42×[tex]10^{-3} W[/tex]

Energy of each photon in the light beam,

[tex]E=hc/[/tex]λ

   = [tex]\frac{6.6*10^{-34}*3*x^{8} }{632.8*10^{-19} }[/tex]

   =  1.963 eV

The momentum of each photon in the light beam,

[tex]P=h/[/tex]λ

   = [tex]\frac{6.6*10^{-34} }{632.8*10^{-19} }[/tex]

   = 1.046 * [tex]10^{-27} kg ms^{-1}[/tex]

Final Answer:

Energy of each photon in the light beam is 1.963 eV and the momentum of each photon in the light beam is 1.046 * [tex]10^{-27} kg ms^{-1}[/tex].

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