Answer:
coal, oil and natural gas but the one that generates the least is natural gas
Explanation:
The shape of the planets' orbits around the Sun in this scenario can be referred to as an elliptical shape.
<h3>What is an Elliptical shape?</h3>
This is similar to the shape of an ellipse in which the elongated circle stretches into an oval.
The shape of the orbits of the planets are all nearly circular as a result of the distance of the planets from the sun being millions of miles apart.
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Cartilaginous fish conducts internal fertilization. Internal fertilization happens when the egg cell and sperm cells of the parents were fertilized inside the body of the parent. And the baby is developed over time.
<span>The septum is the wall that separates the left and right sides of the heart. If there is a hole in the wall between the two ventricles, it is called a ventricular septal defect (VSD).</span>
