Answer:
"The scientific method describes the processes by which scientists gain knowledge about the world. It's characterized by six key elements: questions, hypotheses, experiments, observations, analyses, and conclusions. These elements are interrelated steps, so they don't always function in the same order."
Explanation:
google
D. Cannot repopulate the world with endangered organism
Answer:
A group of plants and animals that are all the same and that can breed together
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