The study pushes back the clock on the origin of Earth's water by hundreds of millions of years, to around 4.6 billion years ago, when all the worlds of the inner solar system were still forming. Scientists had suspected that our planet formed dry, with high-energy impacts creating a molten surface on the infant Earth.
Answer: 4.6 billion years.
Angiosperms have a vascular system and can live is harsher environments which means they can reproduce a lot more often and faster.
The answer your looking for is c hope it helps
and #rateme
