Answer:
Secondary analysis
Explanation:
Lydia is re-analysing already collected data by other researchers, which is referred to as secondary analysis method.
Secondary analysis is the re-analysis of either qualitative or quantitative data already collected in a previous study, by a different researcher normally wishing to address a new research question.
Answer:
Through chemical reactions.
Explanation:
You tell if an unknown powder is salt, sugar, flour or baking soda by doing tests to see how the powder would react. For an example, baking soda in vinegar would cause it to fizzle, while flour would just make the vinegar murky and cloudy. With salt and sugar, you can test if it dissolves and if it does it is sugar. If not, it is salt.
Answer:
Move Apart.
Explanation:
A divergent boundary is formed when tectonic plates pull apart from each other. The old crust pulls itself in opposite directions and liquid rock comes up from below.
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3(x+2)=5x-4
Add two and x then multiply by three, set equal to five times x minus four
