Answer:
Rachel Carson's seminal 1962 book, Silent Spring, told the real-life story of how bird populations across the country were suffering as a result of the widespread application of the synthetic pesticide DDT (dichlorodiphenyltrichloroethane), which was being used widely to control mosquitoes and others insects.
The carbon cycle ensures that living things have a continual source of hydrogen. The carbon cycle helps transport nutrients in bodies of water.
They are both at the final stage of development and this is the characteristic that is shared by both inceptisols and entisols, the soils of flood plains. The correct option among all the options that are given in the question is the third option or option "c". These kind of soils are found in variety of places like the tundra environments and glacial deposits.
Answer:
The polio strains cannot reproduce because they are weakened.
