Answer:
because earth is so many people around the world
<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.
Cells with cell chemicals and genetic material having no defined organelles and are all enclosed within a cell wall are called prokaryotes. Organisms in this group are small in size and are mainly bacteria. Ribosomes in these small cells are also small and ‘free floating’. DNA in prokaryotic cells is in the form of a circular strand and not as a chromosome.
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Answer:
(three) crossing over, mutations caused during crossing over, and independent assortment.
Explanation:
Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I.
