Answer:
Invertebrates include all animals that lack a backbone, or a vertebral column. All chordites exhibit four characteristics during at least one stage of life: a dorsal, hollow nerve chord; a notochord; a tail that extends beyond the anus; and pharyngeal pouches.
Answer:
The answer is The frist choice
Answer:
Black Angus, Red Angus, Holstein, Gelbvieh
Hope this helps!
<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.
