Coal workers' pneumoconiosis (CWP), commonly known as "black lung disease," occurs when coal dust is inhaled. Over time, continued exposure to the coal dust causes scarring in the lungs, impairing your ability to breathe.
West Africa is mostly a region of plains. Climates range from arid to tropical and they have important agricultural and mineral resources.
Answer:
the overall charge of the nucleus is neutral
Explanation:
if the protons are greater than the neutrons then it is positive but since they are both equal the even out to neutral
Soil form as rock is broken down by weathering and mixes with other materials on surface. soil is constantly being formed wherever bedrock is exposed. over time soil develops layers called horizons. a soil horizon is a layer of a soil that differs in color and texture from the layers above or below it.
