A. is the answer, the closer the peaks are to eachother, the higher the frequency and energy.
Technically speaking, an intrusion is any formation of intrusive igneous rock; rock formed from magma that cools and solidifies within the crust of the planet. In contrast, an extrusion consists of extrusive rock; rock formed above the surface of the crust.
hope this helps bye~glori
Answer:
because different cell types can perform different functions
A verified animal source such as animal planet or any website that doesn't have ads and has accurate info