The answer is A , I hope this is not to late
Answer: mercury (i think)
The Miller-Urey experiment showed that simple molecules could have arisen abiotically. This chemical experiment included conditions similar to those present on the early Earth, and tested the origin of life under those conditions.
Water (H2O), methane (CH4), ammonia (NH3) and hydrogen (H2) were the chemicals used to produce the results of the experiment, the factors needed for simple life to arise. Given similar conditions on other planets, it's possible that life could arise there as well.
Answer: The ice caps are melting
Explanation: Because of global warming caused by the burning of fossil fuels and other factors the ice caps are melting and so the sea level is rising
The size of endotracheal tube that should be used to intubate a new born with an estimated gestational age of 26 weeks is 2.5 mm (internal diameter). An endotracheal tube serves as open passage through the upper airway. The purpose of endotracheal intubation is to permit air to pass freely to and from the lungs inorder to ventrate the lungs.
