Answer:
Petroleum, also called crude oil, is a fossil fuel. Like coal and natural gas, petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria. ... Millions of years ago, algae and plants lived in shallow seas
The result of plate movement can be seen at "plat boundaries", since this is where the plates collide and form visible results such as mountain ranges, tsunamis, etc.
The answers, respectively, are:
resting potential; action potential.
Distillation involves boiling of a liquid until it turns to gas, leaving behind impurities which can not vapourise. The vapors will then be re condense to form the original liquid. The process of distillation illustrates the relationship between matter and energy because is show that matter changes state when enough energy is applied in the form of heat. When this heat is removed, then matter will return to its original state.
Answer:
A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. ... To identify a chemical property, we look for a chemical change.
