“George Washington Carver was always interested in plants. When he was a child, he was known as the "plant doctor." He had a secret garden where he grew all kinds of plants. People would ask him for advice when they had sick plants. ... (Nutrients provide nourishment to plants.)”
Answer: The Communist Leader that the US tried to overthrow was Fidel Castro.
Explanation: Fidel Castro had been a concern to U.S. policymakers since he seized power in Cuba with a revolution in January 1959. Castro’s attacks on U.S. companies and interests in Cuba, his inflammatory anti-American rhetoric, and Cuba’s movement toward a closer relationship with the Soviet Union led U.S. officials to conclude that the Cuban leader was a threat to U.S. interests in the Western Hemisphere.
Could it be that you mistyped and what you meant was:
Who heads up the department of Justice under the executive branch?
The head of the Department of Justice (which is part of the executive branch, not the judicial), is the Attorney General. Currently, the Attorney General is Loretta Lynch.
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due to over population there is pressure on our natural resources, to full fill the demand of growing population more industries, vehicles, machines are required, that along with the required Target also emits harmful gases, polluted liquids, chemicals etc., which causes imbalance in nature like green house effect, change in rain, snow patterns ,etc.