Answer:
50 million years
Explanation:
It can take a photon as long as 50 million years to travel all the way through the radiative zone. The convection zone surrounds the radiative zone. In the convection zone, hot material from near the Sun's center rises, cools at the surface, and then plunges back downward to receive more heat from the radiative zone.
The pancreas, liver, salivary gland and the gall bladder are all digestive accessory organs. These organs aid the process digestion, ingestion, and absorption before the food intake of an individual reached the stomach, small intestine, and large intestine.
erosion because it is mostly done nature itself.through wind water and ice
Answer:
The Bicuspid valve or Mitral valve found between the left atrium and left ventricle.
Explanation:
- A bicuspid valve or Mitral valve is an atrioventricular valve. It is one of the valves of the heart's four valves.
- It regulates the blood flow from the left atrium (upper left chamber) to the left ventricle (lower left chamber).
- It mainly prevents the backflow of blood from the left ventricle to the left atrium.
