Mercury, Sulfur and Oxygen
Answer:
In the lungs breathing can be easier when not filling it with unnecessary toxins, the consequences of people at high altitudes slow asphyxiation if the altitude is high enough, headaches, hallucinations, blackouts and other symptoms if it's not as extreme.
PLEASE MARK BRAINLIEST IF CORRECT, I WORKED HARD ON THIS ANSWER. HAVE A GOOD DAY/NIGHT <3
Answer:
Ox so it was cheese doodles night...She looked at her little girl who was about to become a teen. She tried to think back to when the girl had been younger but failed to pinpoint the exact moment when she had become a little too big to pick up and carry. It hit her all at once. She was no longer a little girl and she stood there speechless with fear, sadness, and pride all running through her at the same time.
The computer wouldn't start. She banged on the side and tried again. Nothing. She lifted it up and dropped it to the table. Still nothing. She banged her closed fist against the top. It was at this moment she saw the irony of trying to fix the machine with violence.
The trees, therefore, must be such old and primitive techniques that they thought nothing of them, deeming them so inconsequential that even savages like us would know of them and not be suspicious. At that, they probably didn't have too much time after they detected us orbiting and intending to land. And if that were true, there could be only one place where their civilization was hidden.
The polymerase chain reaction makes DNA fingerprinting more reliable because it allows scientists to quickly make many copies of DNA the answer is C
