Scientists say they have identified the oldest solid material on Earth, stardust believed to have formed about 7 billion years ago. It was found in pieces of meteorite that fell out of the sky in Australia 50 years ago.
According to this article, how old is the oldest material discovered on earth?
2 billion years old
7 billion years old
100 million years old
7 billion years old
The meteroite described in this article was discovered in Australia
The moon
Australia
The Sahara Desert
Antartica