Answer:
Option d. an incense stick
Explanation:
because it produces smoke and it's smell attracts others.
Answer:
Plants developed roots to absorb water from the ground
Answer:
The steps involves making hypothesis, deriving predictions from the logical consequences and then carrying out experiments based on those predictions.
Explanation:
Step 1: make a observation .
Step 2: Formulate a statement or question.
Step 3: Form the hypothesis .
Step 4: make a prediction based on the hypothesis.
Step 5: test the hypothesis whether its true or not.
Step 6: use the results to conclude the experiment.
Chemical energy --- electrical energy --- light energy