The list that follows, from the top to the bottom, demonstrates the different ways that early human communities interacted with the seas.
- Fishing using a barbed spear or gorge (a two-pointed stick connected by a thread).
- Fishing with nets
- Trading dried fish when boating, fishing, or exploring.
<h3>How did the first humans navigate the oceans?</h3>
Either the humans walked onto fragments of land that split off and were carried away by winds and ocean currents, or they were intelligent enough to have created simple rafts.
<h3>Why do seas matter to people?</h3>
- The air we inhale: The ocean contributes more than half of the oxygen in the globe and takes in 50 times more carbon dioxide than our atmosphere.
- Climate control: The ocean, which makes up 70% of the Earth's surface, moves heat from the equator to the poles, influencing our climate and weather patterns.
<h3>What impact might people have on the ocean?</h3>
What is taken out of the ocean and disposed of there is influenced by laws, rules, and resource management. Pollution (including point source, non-point source, and noise pollution) and physical changes are the results of human progress and activities (such as changes to beaches, shores, and rivers).
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Side lighting contrasts between deep shadows and hard light, or bright intense light to produce striking images, while backlighting places the subject in a hazy silhouette with long, dramatic shadows
The research method that uses information that has been already collected and made available for the public by governments, businesses and educational institutions are called secondary analysis. Secondary analysis or secondary data analysis take advantage of data that is already available and apply it to new research.
The correct answer is D. secondary analysis.
