in animals -- build bones. It is in many useful building materials. Concrete, limestone in many forms,
harmful because it pollutes the area
because it is?gjkl#
the invention can be useful in the hands of a good person, but it can be harmful in the hands of a bad person.
Timber is very strong and can be used for structural building. It is very easy to use and it is very useful.
Harmful.
It is harmful because acid rain contains pollutants that can react with limestone, leading to erosion and degradation of the building's structure over time. The acid rain accelerates the natural weathering process of limestone, which can result in significant damage to the building.
in animals -- build bones. It is in many useful building materials. Concrete, limestone in many forms,
Harmful materials are substances that can cause damage to living organisms or the environment, such as toxic chemicals or pollutants. Useful materials are substances that have practical value or serve a useful purpose, like building materials or medicine.
lion are useful and harmful
It is not harmful. Also it is not useful
Most modern bridges are steel structure or framework. Limestone, dolomite and marble have been used in many historic buildings attesting to their durability.
The changes talking place in our surroundings and which are useful to us are called Useful changes. The changes which are not useful but harmful are called Harmful changes
useful
i think its both harmful and useful
The answer is limestone. Limestone is a sedimentary rock commonly used in construction due to its durability and versatility. It is a key ingredient in materials like cement and concrete, making it essential for building structures.
Ozone at ground level is harmful. It is useful in stratosphere as it protects us from harmful UV rays.