The change of between the southern and northern hemisphere sometimes results in planet-shrouding dust storms. weather
water vapor
seasons
climate
(Sorry for not picking the right subject. There was no Astronomy category...)

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air