Answer:
The answer is A. Invented SCUBA
Explanation:
- Emile Gagnan and Jacques Cousteau were engineers who invented the first SCUBA device, the Aqua-Lung.
- Gagnan's most important contribution to this discovery was his theory that a valve commonly used in gas generator engines would be useful in regulating air supply under water in varying pressures.
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Answer:
1 - D- Transport oxygen-rich blood to the body
Explanation:
2- D- Common Beetle
3- D- Protects the brain from injury
4- D- Attach Bones to muscles and bones to bones.
Zygote implants itself in the uterus.
