Sodium and potassium have opposite effects on heart health: High salt intake increases blood pressure, which can lead to heart disease, while high potassium intake can help relax blood vessels and excrete the sodium and decrease blood pressure.
Lights in a big city or even a small town create light pollution, which makes it really hard to see the stars at night. If you put a telescope on a mountain far away, there would be a lot less light pollution. The sky would be much clearer and you could see many more stars
Answer:
B. the variable that is changed and being tested
B. farmers and gardeners should use other methods to provide crocs with the nitrogen they mean
So your answer seems like it is false
