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
Answer:
According to the fossil record, life on Earth evolved 3.5-4.28 billion years ago in the form of what? Primitive bacteria that lived in rocks on the deep ocean floor. To investigate the origins of life on Earth, scientist Stanley Miller set up an experiment.
answer: Primitive bacteria
Explanation:
La historia del atletismo puede ser tan antigua como la de la humanidad. Desde los tiempos primitivos, todo ser humano muestra una tendencia natural a poner a prueba sus recursos físicos, además de que para sobrevivir hacía falta correr detrás de la presa para posteriormente cazarla con el lanzamiento de una herramienta.
Answer:
The government maintains its efforts to clean up the river are on course. Water Resources Minister Nitin Gadkari said in December that the Ganges will be 70-80 percent clean within three months and 100 percent clean by March 2020.
Explanation:
