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:
Anything on the trailing side would be pulverized against the Earth. It would be a horrible, gooey mess. But even if the Earth slowed gently to a stop, it would still be a horrible mess. Without the outward centripetal force to counteract the inward pull of gravity, the Earth would begin falling towards the sun.
Explanation:
When you hear a dog bark you brain is not really hearing the dog bark. It is receiving electric signals from your ears which we can call codes. Then it tries to find a match from all the sounds you have stored in your code bank. Then the brain realizes that the code it received matches with the dog.
Another example is When you eat spicy food why do you think you get the burning sense? Its because spicy foods trick your tongue to send a code that there is a hot object on your tongue.
Answer:
Gray
Explanation:
The moon may look like to have a white or yellow colour but detailed photographs of the moon show that it is grey in colour. The grey colour of the moon forms due to the materials which are present in the crust of the moon. Most abundant materials to be found on the crust of the moon are silicon, calcium, oxygen etc. All these colours combine to give the moon its grey colour.