Any variation that can help an organism survive in its environment is called a(n): Answer Choices:
-survival toolkit
-homologous structure
-adaptation
-mutation
-differentiation
-vestigial structure

What does resonance result in? quieter sounds frequency amplitude louder sounds

Which of the following best describes the purpose of technology?

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.