Evolution. Like how we evolved from apes.
Answer:
I believe it is false so I hope you get it right
Limestone.
It is a sedimentary rock composed of calcite and aragonite. It is used as a building material mainly because it is easily available and easy to work with.
Limestone is used in the manufacture of steel as it is the primary raw material that helps to remove impurities from the iron ore and produces waste matter that has low melting point and viscosity
Choice #1 & Choice#4 I believe
Answer:
Yes on both parts
Explanation:
Microscopic creatures including bacteria, fungi and viruses can make you ill. And they are alive
