the most common first sign of lung cancer is a constant cough. there could also be coughing up blood or reddish colored spit, and chest pain when you laugh, cough, and breathe.
Answer:
2
Explanation:
She's attracted with a great force back to earth's surface
Answer:
Yes, it is. The summers and the winters are getting warmer. Also in cold places like Alaska, the temperatures are rising.
Explanation:
In mechanics, the net force is the vector sum of forces acting on a particular or object
