Smoking ruins your lungs making it harder to breath and get oxygen
you need oxygen when you exercise so you don't faint
smokers get less so it is harder for them, its like trying to exercise while breathing through a sponge or a straw os
Answer:mercury venus earth mars jupiter saturn uranus neptune
Explanation:
I found this photo, i hope it helps
Answer:
Explanation:
Make an observation.
Ask a question.
Form a hypothesis, or testable explanation.
Make a prediction based on the hypothesis.
Test the prediction.
Iterate: use the results to make new hypotheses or predictions.
Answer:
C
Explanation:
The dependent variable is always the outcome, data, or what is being measured in an experiment.
