Using a molecular clock, scientists are able to estimate the amount of time that two species have been evolving independently.
Hope this helps :)
If the parents have black hair then all the kids would have black hair (a)
if one parent has blonde hair and the other has black hair then 2 kids would be blonde and 2 would have black hair (d)
if the parents have blonde hair then the kids would have blonde hair (c)
The pstree command can be
used on a Linux system to trace the lineage of each child process.
<span>The
pstree command shows running processes as a tree. The tree is rooted at either </span>pid <span>or </span>init <span>if
pid is omitted. If a </span>user name <span>is
specified, all process trees rooted at processes owned by that user are shown.</span>
Calcareous ooze<span> is a form of calcium carbonate derived from planktonic organisms that accumulates on the sea floor. ... Below this depth, calcium carbonate begins to dissolve in the ocean, and only non-</span>calcareous<span> sediments are stable, such as</span>siliceous ooze<span> or pelagic red clay.</span>
I do not think the industrial and agricultural revolutions could have occurred without the environmental costs. The industrial revolution in the 18th century occurred at a time in history when people where not aware of the consequences of their actions or the consequences of the widespread use of fossil fuels. Even if they were aware the technology would not have been present to harness power from natural renewable sources of energy.