It is natural selection, as basically the environment causes a selection for those who have better adaptations to survive
Not quite a question, but the trees lose their leaves when the environment gets colder and nearer to winter.
<span>In the event of suspected cyanide poisoning, the provider should order one of the available antidotes for treatment of cyanide poisoning. The order will be for an antidote such as Sodium Thiosulfate. Sodium Thiosulfate can be given via IV administration. In addition to this treatment, the patient should be provided with oxygen and have their vitals monitored via EKG, pulse oximetry, and multiple neurological examinations to access mental status.</span>
Answer: ok first you have to look at the clues or hints of what the given fossil and how many layers or solid Rock on it, now that is seen to go from the youngest to oldest age, we now know that you can design a procedure like a "Rock identification" based on what type of or rock it is for example lime stone this would tell you how far it goes back in time. Just identify the tpe of rock it is and then youll know that its that deep.
I hope this helps just wrote this from scratch for you :)