The correct one is Respiratory Distress !!
As rest are not concerned with air pollution !!
Thompson proposed a model (the plum pudding model) whereby the negatively charged corpuscles were distributed in a uniform sea of positive charge. In other words the positive charge was like the pudding and the negative charge were like raisins on the pudding.
Because it’s possible for the book to fall but it’s not yet falling if u understand
Difference Between Chemical and Physical Weathering.
Weathering processes crack, wear away, and weaken rocks.
While physical weathering breaks down a rock's physical structure, chemical weathering alters a rock's chemical composition.