Explain how the heater, the fan and the lamp are being used to test environmental factors as they relate to plant transpiration

Transpiration is the process of water movement into a plant and its evaporation from the plant parts. Heater will increase the temperature which will make evaporation easier and reduce the humidity around the plant. The fan simulates wind which will blow water vapor near plants, increasing the rate of evaporation around it. Lamp simulate the light, opening the stomata and increase the evaporation rate.

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the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.