The answer to your question is where a cold ,dry air mass meets a warm ,moist air mass. Tornadoes usually form where a cold ,dry air mass meets a warm ,moist air warm.
Pain in two or more joints.
Raynaud's phenomenon.
Skin changes.
Swollen hands.
<span><span>Muscle weakness.</span>
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How would u approach the first one, #54
Answer: Positive charge of 1
Explanation: This is because it is believed that it is from the charge of the quarks that make up the nucleons which are protons and neutrons.