Answer:
C. Fe2O3 + 2Al → 2Fe + Al2O3
The nine activities that scientists engage in as a part of scientific inquiry are the following:
1. Observe
2. Define the problem
3. Form a study question
4. Research the problem
5. State the expectations (hypothesis)
6. Experiment and gather data
7. Analyze the results
8. Reflect on the findings
9. Communicate with the wider community
Answer:
Peppered moths can be described as common insects usually ranging in size from 1.5 to 2.5 inches. Typical peppered moths are light in colour and are known as typica.
The peppered moths are normally light in colour having dark- black spots on its wings. They have a stout body with wings ranging from 45 mm to 62 mm. The peppered moths have colours which adapt them to hide from their predators.
The answer for the above question is Mutation.
Mutations are random spontaneous changes that occur suddenly in the DNA. A single mutation can have a large effect, however in may cases evolutionary changes are based on the accumulation of many mutations. The gene flow is any movement of genes from one generation to another and is an important source of mutation
