Answer:
other factors remaining constant, price quantity supplied of a good are directly related to each other.
Answer: the interval is the independant variable, the amount of salivation is the dependant variable
Explanation: see, the interval isn't whats going to change, it stays the same, the dogs salivation however can change and in the pavlov experiment it did change, so that one is the dependant variable
Answer:Examples of valuable nonmetallic minerals extracted by mining are sand, gravel, phosphate
Explanation:
Nonmetallic minerals refers to those chemical elements that cannot be used to make any other products after they have been melted. Examples of these minerals are clay, limestone,marble , sand and gravel. They are called non metallic because they can not conduct electricity , can not conduct thermal power, they lack luster,rigor and malleability.
The non metallic metals are mostly used to make cements , lime and glass.
They can also be used in sanitary ,tableware and decorative products.
Several steps are followed in making certain products from these minerals such as grinding,cutting,mixing,shaping and heating.
