Answer:
The process of making food by the green plant by using sunlight,water,mineral, carbon dioxide,etc.is called photosynthesis.
hope this not childish.
The mitochondria is the part which is responsible for the cell's energy
<h2>540 million years ago
</h2>
Paleozoic.
Era immediately follows Precambrian It lasted about 4.5 billion years.
When did abundant fossil evidence first appear in the geologic record.
540 million years ago.
