Approximately what is the half-life of uranium-235?

It is believed about 700 million years. Crazy. I hope this helps! : )

703,800,000 years

Explanation:

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.