Which planet has the longest planetary year?
A: Neptune

Which of these would be a model of diffusion?
A: students pass from a crowded room into a hall

Many types of motion occur in our solar system. Which type of motion describes one Earth year?
A: the revolution of Earth around the sun

A student is shown a slide of cells from a species of producer in a food web. The student observes that the cells have chloroplasts. What conclusion about the food web is best supported by these findings?
A:
The producers capture energy from sunlight.