The scientific method is a method of investigation involving experimentation and observation to acquire new knowledge, solve problems, and answer questions. The key steps in the scientific method include the following: Step 1: Make observations. Step 2: Formulate a hypothesis.
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Answer:
1. Native flora/plants. This is because native plants are best suited to live in the type of environment that they exist in, and its roots are used to stabilise soil erosion from water
2. Use terracing in farming, as the long slope is shorted into smaller groups of shot flatter slopes, reducing soil erosion
3. Planting cover crops, which are crops that grow horizontally, which form essentially a large cover over the soil, which prevents wind from blowing soil away
4. Strategically placed rocks or boulders can change the way water flows, which reduces the amount of soil erosion as it diverts the water to another direction.
Answer:
As humans migrated, they had to adapt to many different environments
