2.8 kg .............is the mass of a 1.2 N book.
<span>Fossils provide solid evidence that organisms from the past are not the same as those found today; they show a progression of evolution. Scientists calculate the age of fossils and categorize them to determine when the organisms lived relative to each other. Hope this helps</span>
If you really have nothing else but time, then you can't. There must be some other shred of information. Search around. Look under rocks.
Weight changes due to the gravitational pull in mars,basically gravity