Depends on the pool, can be either
Manmade actually.
A dress is manmade. It is created by humans using a variety of materials such as fabric, thread, and embellishments. It is not naturally occurring in nature.
Both. Zinc can be found in nature and also can be manmade.
Glass is manmade. It is a combination of silica and other ingredients depending on the nature of modern glass that is required.
Mendelevium is a manmade element and does not occur naturally in nature. It is produced by bombarding einsteinium with alpha particles in a particle accelerator.
man made... this is a very not bright question..
Natural resources are materials that are found in nature, such as water, air, minerals, and forests. Manmade resources are materials that are created by humans, such as buildings, roads, and technology. Natural resources are typically renewable or nonrenewable, while manmade resources are generally finite and rely on the use of natural resources for production.
Some landforms are flat and some are raised areas because it is created by nature and it is not manmade .
Nature; Þingvellir, Vatnajökull, Gullfoss&Geysir.. etc Man-made; Hallgrímskirkja
Anthracite is a form of high quality coal. It is entirely natural.
It is a natural element but, because it is highly reactive, pure barium is not found in nature.
Manmade resources are created or processed by humans, such as buildings or tools, while natural resources are naturally found in the environment, like water or minerals. Manmade resources require human intervention for their production or extraction, whereas natural resources exist in nature without human manipulation.