Can someone help me with this

Which entry is in the wrong position in the table?

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.