The propagation velocity of the waves depends on density and elasticity of the medium. Velocity tends to increase with depth and ranges from approximately 2 to 8 km/s in the Earth's crust up to 13 km/s in the deep mantle.
The two major controls system are Nervous system and Endocrine system
<span>Neither. You need a nutritionist. Biochemist and food scientists could peripherally be involved by seeing that food is processed in such a way as to preserve the nutritional value of the food. (e.g., seeing that the vitamins are not degraded by processing) and contaminates and bacteria are not introduced.</span>
It reproduce by a process call Binary Fission
This is because elements are pure substances with only one atom. When two or more elements are combined, you get compound elements; which allows for more substances to be created.
