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What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors

In north america, most winter storms form when cold, dry air from interacts with warm, moist air from

The ratio of the measures of the three angles in a triangle is 14: 15: 11 find the measures of the angles