9.9) In Miller and Urey's experiment, what were the electrodes used to simulate? (3 Points)
a. The electrodes simulated lightning from the storms on early earth
b. The electrodes simulated the heat from the magma on early earth
C. The electrodes simulated the atmosphere of the early earth
d. The electrodes simulated the ocean of early earth

As , plants meet their needs for making food from air, soil, water, and the sun's energy in a process called there are plants called grow high in trees without here are words to put in the blanks. 1.) producers 2.) consumers 3.) chloroplasts 4.) epiphytes

Why is it important to study each branch of earth science?

Female luna moths (actias luna) attract males by emitting chemical signals that spread through the air. a male hundreds of meters away can detect these molecules and fly toward their source. the sensory organs responsible for this behavior are the comblike antennae visible in the photograph shown here. each filament of an antenna is equipped with thousands of receptor cells that detect the sex attractant. based on what you learned in this chapter, propose a hypothesis to account for the ability of the male moth to detect a specific molecule in the presence of many other molecules in the air. what predictions does your hypothesis make? design an experiment to test one of these predictions.