Carbon-6 because it is a neutron number
A matter in the solid phase has a fixed shape and volume.
64: C
65: D because weathering is defined as rock being eroded/changed
hope i could help
It's a compound because it's formed from an ionic bond between calcium and carbon so it's an ionic compound
Any physical matter that is obtained or made from plants, animals, or the ground without undergoing a chemical process is called a natural material. This is a true statement.
<h3>Features of natural materials</h3>
Natural materials are the physical matters that are made from plants, animals and ground(environment) which has not been subjected to any chemical processes for modification.
But any natural material that has undergone any chemical process which has been designed and manufactured to fulfil a particular purpose is called a synthetic material.
Therefore, any physical matter that is obtained or made from plants, animals, or the ground without undergoing a chemical process is called a natural material.
Learn more about matter here:
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