Energy and oreantation its one if not bolth of those
Answer:
The correct answer is - They gently shake the pan causing the marbles to move back and forth.
Explanation:
When water is heated the molecules present in its liquid state start to move and vibrate faster and allows the water to expand and increase in volume. If the heat is continuously applied to the water its molecules move even faster and escape in the form of molecules of vapor to the atmosphere.
To exhibit this phenomenon by the marble and pan, Richard and Brooke should gently shake the pan causing the marbles to move back and forth which shows faster vibration and movement of molecules.
Answer: The frequency of this light is
.
Explanation:-
To calculate the frequency of light, we use the equation:

where,
= wavelength of the light =

c = speed of light = 
= frequency of light = ?



The frequency of this light is
.
Answer:
can't see clearly , post a clearer pic if possible
Answer:
The anser is C
Explanation:
This is because the fungi and bacteria are the decomposer, and their job is to decompose dead organism.