Options A and D are true. The other two options are absurd and not even based on fact while A & D are true concerning this part of Africa at that time.
Answer:
Photosynthesis is the process of where plants and other organisms use sunlight to get foods from water and carbon dioxide. Photosynthesis in a plant involves green pigment and generates oxygen.
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.
Answer:
A. are brought from the mantle to the surface in magma that hardens into kimberlite
Explanation:
Diamonds are brought to the surface from the mantle in a magma that is known as the kimberlite. This kimberlites is rich in gases and it is an igneous rock that has the following minerals,olivine, phlogophite, serpentine etc.
The origination of diamonds in the mantle happens as carbon transformation occurs due to heat and pressure occurs. The kimberlite pipes and what brings the diamonds to the surface
