Yes. It's a mixture of many stuffs which are found in nature, but the process of mixing it together is man-driven.
It is man made
Portland cement is made of,CaoSiO2Al2O3Fe2O3MgOAlkaliesSO3
cement is made with water cement mixture and sand after all of this is added
Concrete is to bread as cement is to flour. Concrete is a mixture of sand, gravel, cement, and water.
EASY ... Cement is used as mortar to hold bricks together. OR We used a handshake to cement the deal. OR Boulder Dam is made out of cement. ETC.
It is man made
Obsidian is an igneous rock. Rocks are not man-made. Man-made substances that are similar to rock include concrete and cement.
It is man made. The basic ingredients are limestone and clay which are roasted in a kiln.
Although put together by humans, the parts of cement are natural. Cement is a fine, soft, powdery-type substance. It is made from a mixture of natural rocks: limestone, clay, sand and/or shale. When cement is mixed with water, it can bind sand and gravel into a hard, solid mass called concrete.
Man made solid structures are structures that humans have built. Examples of man made solid structures are dams, brick walls and concrete and cement blocks.
Cement bricks are made of Cement- it's in the name.
Portland cement is made of,CaoSiO2Al2O3Fe2O3MgOAlkaliesSO3
No. Concrete is a man-made material composed broadly of cement, sand and aggregate (crushed rock).
Cement is man made product invented by the Ancient Romans. So, yes it is abundantly available all the time because all you need to do is buy a sack of it at the hardware store.
Cement is too heavy.
natural habitats occur naturally whereas man made habitats are made with the use of abiotic components for example cement,plaster of paris etc
Cement, sand and stone is what concrete is made of. Cement is the binding agent.