Answer is False.
No, hand-passing sharps is not a safe practice at all. Rather we should use instruments to grasp sharp objects like- needles and scalpels.
Answer: CARBON DATING
Geologists do not use carbon-based radiometric dating to determine the age of rocks. Carbon dating only works for objects that are younger than about 50,000 years, and most rocks of interest are older than that. Carbon dating is used by archeologists to date trees, plants, and animal remains; as well as human artifacts made from wood and leather; because these items are generally younger than 50,000 years.
Answer:
The oxygen revolution happened about 2.5 billion years ago. ... Then oxygen started to accumulate in the atmosphere. Oxygen is toxic to anaerobic organisms and this increase in atmospheric oxygen killed much of the life that had evolved to this point generating a huge mass extinction.
Explanation:
1.underwater tornado
2.over-ocean tornado
3.VERY HEAVY RAIN AND MABY HAIL
