These waves are of a higher frequency than surface waves. The first kind of body wave is the P wave or primary wave. This is the fastest kind of seismic wave, and, consequently, the first to 'arrive' at a seismic station. The P wave can move through solid rock and fluids, like water or the liquid layers of the earth.
Answer:
The nucleus disappears during the prophase.
The biology theme wherein the example given above represents the concept of homeostatic equilibrium. Homeostatic equilibrium or otherwise known as homeostasis is clearly depicted in the situation because it cites on how the stomatas regulate the gases on the plant leaf in order to maintain stability.
Answer:
B the mantle becoming more massive and dense due to gravity
Its likely option D. This is based on the fact that carbon 13 is fixed by plants. Plants are eaten by mammoths thus the carbon 1 is transferred to the mammoth. This is detected in radioactive carbon dating