Answer:
1. transfer of heat through direct contact
2. caused by current transferring heat in a fluid
3. transfer of thermal energy by electromagnetic waves
Electronegativity makes a bond polar.
<h2>
Nuclear energy:</h2>
The energy which is harvested due to the nuclear fusion or fission occurring in a reactor is called nuclear energy. Though this energy has much application it has certain disadvantages.
<h2>Disadvantages of nuclear energy:</h2>
- The radioactive waste originating from atomic power plants and the reactors used act an extraordinary danger to Mother Nature and people.
- Improper disposal of radioactive waste released from the reactors, act as base of many deathly diseases.
- Another major disadvantage of utilizing nuclear energy is that it needs a ton of venture to set up an atomic power station. Developing an atomic power plant requires enormous capital cost.
- When the waste of this energy production process is lead to river body it causes eutrophication which causes the death of the aquatic life.
Answer:
Bile is produced by the liver and concentrated and stored in the gallbladder.
