Answer: solar energy, and heat energy
Explanation:
Answer:
a plant cell
Explanation:
plants are the only ones with cell walls
Answer:
The electrical impulse travels from the sinus node to the atrioventricular node (also called AV node). There, impulses are slowed down for a very short period, then continue down the conduction pathway via the bundle of His into the ventricles.
Answer:
the Hubble space telescope
Explanation:
