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.
Answer:
the science of breeding and caring for farm animals.
Explanation:
The exoskeleton of an arthropod is chitin.
Answer:I got it
Explanation:
Carbon Dioxide Concentrations in the Atmosphere Are Increasing
Global Temperature Rise
Shrinking Ice Sheets
Warming Oceans
Glacial Retreat
Decreased Snow Cover
Sea Level Rise
Declining Arctic Sea Ice
Ocean Acidification