Answer:
Subsistence farming – the cultivation of crop plants and the keeping of animals to ensure self-sufficiency – is something states, seed producers, agro chemical concerns, and world trade organizations consider backwards today – inefficient and a cause of poverty in the rural areas of the South.
Answer:
The Crust is mostly made up of loose materials.
The Mantle is made of up of a thick solid rock substance.
The Outer Core is made of super heated liquid molten lava.
The Inner Core is believed to be solid ball of mostly iron, and nickel.
Explanation:
RADIATION: Both conduction and convection require matter to transfer heat. ... Thermal radiation (often called infrared radiation) is a type electromagnetic radiation (or light). Radiation is a form of energy transport consisting of electromagnetic waves traveling at the speed of light.
