Answer:
It decreases
Explanation:
The sun provides energy for plants to grow and then animals eat the plants and humans eat animals throughout the transfer of energy through digestion energy is lost via digestion and excretion.
The correct answer is option D.
If a girl is standing in front of a smooth surface from which a sound is reflected, the girl may hear two similar sets of sounds if she is also near the source of the sound.
For proper reflection of all sorts of energy waves, a hard flat surface is preferable. This helps to reflect waves without losing energy. Hard and smooth surfaces are best for travelling of sound waves because sound is related to pressure.
Perihelion marks the begging of summer when the earth is closest to the sun.
