Answer:
C
Explanation:
Because you can feel vibrations through solids but not through gases
Answer:
in pounds if would be 50.7 or 50.7063
Answer:
The primary purpose in creating national parks is to protect the land from development and pollution.
Explanation:
National parks are owned by the national government. This areas are strictly reserved for habitat of wild animals.
The main purpose for creating national parks is to reserve some space for nature. This area is protected from pollution and development.
Thus, answer for given question is protect the land from development and pollution.
Temperature does change from room temperature water to boiling water. It does not change in boiling water liquids can only absorb a specific amount of heat before changing the state of the water. The pressure in the water does not allow the temperature to change.
We have energy E = hc/λ, where h is Planck's constant c is speed of light and λ is the wavelength.
So Energy ,
Energy of one mol =
Energy of one mol of photons generated from this device = 225 kJ