How did the backyard bird feeders in the article increase competition in that ecosytem

Plz me match the correct text in each cell to identify the contributions to the war effort of the three facilities listed. 1. built b-29s, putting hundreds of the war's most advanced aircraft into service 2. large civilian workforce transported soldiers and goods to the two war fronts; built "liberty ships" to move men and supplies across the ocean 3. trained new recruits, held prisoners of war, repaired damaged aircraft, prepared thousands of soldiers for combat bell bomber plant military bases brunswick

Which of the following was not a result of early humans increasing proficiency at finding food

Which of the following policies can the government use to encourage entrepreneurship?