According to Pi, a zookeeper will know he or she has created a healthy environment for the animals WHEN THE ANIMALS REPRODUCE.
For animals to reproduce and give birth to young ones, many things has to be in place, such as suitable partners, right environment, right food, etc. Animals naturally reproduce when the environment is favorable unto them. Thus, reproduction of animals in the zoo shows that the right environment has been created for the animals.
Answer:
2 is the answer.
Explanation:
Vaccine manufacturers work in tandem with government, academic, and nongovernmental agencies to develop safe and effective vaccines that decreases health costs and improve compliance.
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there mother stayed behind to her ailing baby.
The answer is D. Summer.
It wouldn’t be the others because days, months and holidays are always capitalised since they are proper nouns.