Answer:
Clarify any confusing information in the instructions.
Purchase the equipment and chemicals you will need.
Explanation:
Steps of a scientific investigation include identifying a research question or problem, forming a hypothesis, gathering evidence, analyzing evidence, deciding whether the evidence supports the hypothesis, drawing conclusions, and communicating the results.
Answer:
Velocity
Explanation:
Velocity is an object's change in motion per unit time in a specified direction
Answer:hiuwiauwney jejjksuu
Explanation:
B. A copper wire with rubber insulation
That will be A melting a substance that's because the rest are examples of chemical changes and also its the same thing but in a different form.