Air flows from high pressure to low pressure.
Answer:
Exercise strengthens your heart and improves your circulation. The increased blood flow raises the oxygen levels in your body. This helps lower your risk of heart diseases such as high cholesterol, coronary artery disease, and heart attack. Regular exercise can also lower your blood pressure and triglyceride levels.
Explanation:
Answer:
B. The sugar dissolves in the water and the lemon slices do not.
Explanation:
The lemons floated to the top of the glass and the sugar dissolved. Only the sugar is soluble
Answer:
C. 200 billion
Explanation:
The milky way galaxy is estimated that there is 200 billion stars
Answer:
C
Explanation:
you have 1 full square and 1/4 of the other square, making 1 1/4