Two-thirds of australia is occupied by this mass of old shield rocks. True or False

True

Explanation:

Old shield rocks makes up two-third of Australia and its called the Western Plateau which often is called the Australian Shield.

It is Australia's largest drainage division and is made mainly of the remains of the ancient rock shield of Gondwana.

which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12