Answer:
3
Explanation:
i looked it up i hope that helped!
Explanation:
When current passes through the wires inside the bulb, electrical energy changes into heat energy and light energy. ... All parts of a circuit must be connected in order for current to flow through the circuit.
Vertebrates developed about 550 million years ago. The oldest vertebrate fossils are those of FISH with no jaws. These e<span>arly jawless fish did not have paired fins and their bodies were covered with heavy, bony scaled, but their skeletons were made of cartilage. For the next 50 million years, they were the only vertebrates.</span>
Comparative anatomy is the study<span> of similarities and differences in the anatomy/structures in organisms of </span>different<span> species.
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