How zebra mussels affect the economy? ?

They can decrease property values. Sharp shells can litter beaches, cut feet and affect recreation and tourism. Overall, zebra mussels harm our environment, recreation and the economy of communities that depend upon healthy lakes and rivers.

Is there any pictures in the question? i can’t answer the question without seeing the model.

Well, both latitude and intensity of light affect temperature because, the higher the light intensity, the higher the temperature and since latitude is the measure of how close you are to the equator, then the closer to the equator you are, the higher the temperature is.