<h3>Answer:</h3>
Convection currents in the mantle
<h3>Explanation:</h3>
Our current laws of Physics recognize that heat is transferred by one of ...
- conduction
- convection
- radiation.
Radiation is a mechanism for transferring heat through space. That mechanism doesn't really apply inside the "solid" Earth. While a certain amount of heat is transferred by conduction, the rock making up the bulk of the Earth is a poor conductor of heat.
The majority of the heat is transferred by the hot rock physically moving from the center of the earth toward the surface in the process called convection.
Answer:
Yes.
Explanation:
As a blood vessel, Superior vena cava carries completely digested substances that is present in the blood from upper part of the body to the heart. Blood is a fluid that transport digested food from small intestine to other parts of the human body. It also carries oxygen from the lungs to the cells and also carries carbondioxide from the cells to lungs so we can say that Superior vena cava carries completely digested materials.
Answer:
They know that layering, or bedding, is the most obvious feature of sedimentary rocks. This Law of Superposition is fundamental to the interpretation of Earth history, because at any one location it indicates the relative ages of rock layers and the fossils in them. Layered rocks form when particles settle from water or air. That is kinda easy :D
Explanation:
They come from the atmosphere, since plants use carbon dioxide to produce carbohydrates :)
The blade is the flattened portion of the leaf. These expanded blades are called lamina which are attached to the plant stem by the petiole. They come in diverse shapes, sizes, and other characteristics. The other choices are just supporting structures of this structure of the plant.
