Which of the chemical would be the most effective for melting ice in the winter ? explain

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Which element is the least metallic between cadmium, silver, zinc, or iron?