No. Plants emerged around 1.2 billion years ago, but there were photosynthesizing bacteria 3 billion years ago.
archaebacteria
At least.
because, a billion of years ago !
it is at least 100 billion years old
Roses have existed for at least 40 million years.
Probably not for at least 5 billion years.
The kingdom that has existed for at least 3 billion years is the Kingdom Bacteria. Bacteria are single-celled organisms that have been on Earth for billions of years and are among the oldest forms of life on our planet.
The Earth is at least 4.4 billion years old.
at least 100 years
Approximately : land plants have been around for a half a billion years. The Earth for 4.5 billion years. So your answer is one ninth.
We've got at least another 4 billion years.
A billionaire is someone who has at least a billion dollars. Counting to a billion and being a billionaire have no connection.