Physics
Which of the following laws validates the statement that matter can neither be created nor destroyed ?

Le Chatelier's Principle
Law of osmosis
Law of conservation of energy
Law of conservation of mass

ANSWER DOWNLOAD EXAMIANS APP

Physics
Which is evidence that supports the dynamo theory?

Earth's outer core contains liquid that conducts electricity
Earth's core contains a large amount of iron
Granite and basalt conduct electricity
Convection occurs in Earth's inner core

ANSWER DOWNLOAD EXAMIANS APP