Water and air both have oxygen and due to the contamination in the oxygen both water and air suffer
Answer:
Marble is a metamorphic rock. Marble is a metamorphic rock, that forms when limestone (another rock) reaches a certain pressure and heat
Louisiana. Hope this helps
i hope this helps you
from google:
"The Earth gets hotter as one travels towards the core, known as the geothermal gradient. Geothermal gradient is the amount the Earth's temperature increases with depth, indicating heat flowing from the Earth's warm interior to its surface. On average, the temperature increases by about 25°C for every kilometer of depth"