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:
Water is important to give you energy and Water is also VERY important for your health.
Answer:
The yellow allele could start to become dominant, or the ones without that allele would die out.
