Answer:
C- Noting cloudiness occurs when two solutions are mixed.
Explanation:
This doesn't require using numbers; this requires using your senses to determine something, which is qualitative data.
Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades, or even millions of years after a mass extinction
Answer:
Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.
Explanation:
Adenine and thymine
cytosine to guanine
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