Answer:
It isn't safe at all...
Explanation:
Even if remains at constant temperature, while ascending to the surface of the lake Jacques lung pressure will increase if he hold its breath. Thats because the pressure of water weakens and the pre-hold breath in lungs will expand as he rises. This can cause serious lung damage and drowning is possible.
Answer:
By far, the most abundant gas in the Earth's atmosphere is nitrogen, which accounts for about 78% of the mass of dry air.
Explanation:
1- Paleozoic era
2- mesozoic era
3- Cenozoic era
The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
Answer: B. Shear stress
Explanation: Shear stress is created when two objects are pushing against each other sideways. The image below shows examples of the other options and why they are incorrect.
