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:
D.) saprophytic
Explanation:
Saprophytic fungi break down dead matter by releasing enzymes. This allows for the matter to be taken up by the fungi as a food source.
Skin, Hair, nails, and glands.
The integumentary system has the components of the
Epidermis, The epidermis is the most superficial layer of the skin that covers almost the entire body surface.
Hair.
Nails.
and the Sudoriferous Glands, Sebaceous Glands, and Ceruminous Glands.
Answer:
very few M. tuberculosis in the standard nutrient cell cultures carry the rpoB gene mutation, but almost all of the M. tuberculosis in the cell cultures with rifampin carry the rpoB mutation