<span>The discovery of thornless plants was made around the turn of the 20th century. To name one such thornless plant, particularly, the Blackberry plant, the deviation from the thorned blackberry canes were discovered in the United States. Since then, several different thornless blackberry varieties have been cultivated for fruit gardens.</span>
The answer is C, because of the propellant gas released when the contaminated soil is mixed and released of pressures.
The correct answer is C) It recognizes that no resource or species exists on its own.
<span>Ecosystem-based management acknowledge that no resource, specie or anything in the environment is isolated and each one has an impact on the other.
This helps to provide a more holistic approach and helps in better planning and implementation.</span>
