Adding on to what the person above me said, cigarettes can also be very addictive due to the nicotine. Once you start smoking, it can be extremely difficult to stop.
Answer:
Low levels of fecal coliform?
Explanation:
I'm not exactly sure but the water quality isn't really as sophisticated as much else.
Answer:
All of the listed responses are correct.
Explanation:
- As the natural selection is the differential survival of the individual due to the selection of the individual's due to the difference in the phenotypes and is a key mechanism to the evolution as its characterized by the inherent traits of a population over time as the variation exists in all species of organisms and is contrasted to the artificial selection.
A(n)<u> Solid</u> coupling is used when it is necessary to extend the length of a shaft or to provide a means of disconnecting a shaft.
The basic function of all couplings is to transmit power, accommodate misalignment and compensate for axial movement (end movement of shafts). Sometimes, a coupling is asked to absorb shock or vibration. A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power.
Types of Couplings:
- Rigid coupling.
- Flexible coupling.
- Sleeve or muff coupling.
- Split muff coupling.
- Flange coupling.
- Gear coupling.
- Universal joint (Hooke's joint)
learn more about Couplings here
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