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Iron in hemoglobin makes it possible for animals to use oxygen to produce energy. Magnesium in chlorophyll makes it possible for plants to use sunlight to make sugars and to grow. there are other examples. vitamin b-12 et. al.

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Metals are useful for tools because they?

are generally strong and durable, making them suitable for tasks that require hardness and toughness. Metals also have good conductivity for heat and electricity, making them ideal for applications that involve these elements. Additionally, metals can be melted and molded into various shapes and structures to create different tools for different purposes.


A rock that contains a metal or economically useful mineral is called a?

This is a raw material (feedstock).


What useful material may be obtained from bauxite what useful material may be obtained from hematite what are bauxite and hematite called since they produce useful materials?

Bauxite is a source of aluminum, one of the most widely used metals in the world. Hematite is a source of iron, which is crucial for making steel. Bauxite and hematite are both called ores, as they are naturally occurring materials that can be mined and processed to extract valuable metals.


Metals that are less reactive than alkali metals and alkaline-earth metals are called?

I believe that the answer you are looking for is Transition Metals.


Is carbon mono oxide useful?

Carbon monoxide is not useful for human consumption as it can be toxic when inhaled in high concentrations. However, it does have industrial applications, such as in the production of certain chemicals and as a reducing agent in metallurgy. Proper safety measures should always be in place when dealing with carbon monoxide to prevent harmful exposure.