问题详情

Questions 18-20
Complete the fiow chart below.
Use NO MORE THAN THREE WORDS or A NUMBER for each answer.
OPERATION NEST EGG
【18】______ →【19】______ →Chicks returned to wild →RESULT Survival rate increased from 【20-1】______ to 【20-2】______
【18】请帮忙给出正确答案和分析，谢谢！