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.
Answer:
Charles Darwin went to the Galapagos Island(s).
Explanation:
Charles Darwin took a boat to the Galapagos Island(s) to study plants and animals that proved to show some similarity between each other, such as two finches, which is actually one of his most popular discoveries.
I think the answer is glucose
Answer:
Cell membranes are found in both bacteria and archaea, and they both feature a hydrophobic part. Both bacteria and archaea have a protective cell wall.
Explanation:
^^
I want to say that it would be the 'atomic radius' that would increase. Because as this would happen, the atoms would then get smaller and smaller, mainly because the radius would just get smaller and also the atoms would also.