Answer: Codons
Explanation: Three neighboring nucleotides form a unit known as the codon.
The answer is the second statement.
Quanitative refers to numbers. The only statement that contains a numerical information is "the tree was 20 years old when it was cut down".
The other statements only contain qualitative information.
The primary goal of technological advancement should be to increase people's efficiency so that they have more leisure time.
The answer is abiotic and biotic I'm pretty sure
The scientific method is a well structured manner of answering scientific questions or solving scientific problems.
<h3>What is the scientific method?</h3>
The scientific method is a method of discovering knowledge about the natural world based in making falsifiable predictions called hypothesis, testing them empirically, and developing theories that match known data from repeatable physical experimentation.
The scientific method involves the following steps that should be followed hierarchically;
- Making observations
- Construction of hypothesis
- Testing hypothesis via experimentation
- Data analysis
- Concluding based on results
Therefore, the best way to explain to a friend who has never heard of the scientific method before is that scientific method is a well structured manner of answering scientific questions or solving scientific problems.
Learn more about scientific method at: brainly.com/question/7508826
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