SOMEONE PLZ HELP ME! With the questions don’t worry about the toe prints I got that already.. PLZ Need it ASAP

Which of the following are energy solutions that release pollution into 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.

Which animal is a producer in this ecosystem