Hi there
if multipl both a) and b)
if just one then it is a)
hope this helps have a good day if u need anymore help please feel free to message me!
Convection is a process which transfers the heat between the temperatures when fluid (i.e. liquid or gas) is in motion. Due to the presence of heat source, water temperature increases and also it will become less dense and rise. Hot air is less dense than cold. When air rises higher in the atmosphere its pressure gets down and it becomes colder.
Answer:
B. Rock and soil that is removed to mine ore.
Explanation:
Overburden is a material or substances that is present above the metal ore. This metal ore is present inside the rock and soil so for its extraction the rock and soil must be removed that is present above it. Metal ore such as gold, silver,coal, iron and platinum are present inside the earth crust. These metals are not present in pure form some soil particles or other substances are present with it which is removed with the help of various instruments and machines.
Jose San Martin was an argentine general and the prime leader of the southern part of south America. hoped that helped!
Answer:
The Great Lakes began to form at the end of the last glacial period around 14,000 years ago, as retreating ice sheets exposed the basins they had carved into the land which then filled
