The other dude is rude wrong
The correct answer is Dmitri Mendeleev
I'm thinking the answer you are looking for is light energy. With the sunlight there is light energy and heat.
<span>There are many different kinds of clouds all around us. Clouds come in diverse shapes and colors. Some clouds are fluffy and others are wispy. Some clouds float high in the sky and others sit low on the ground. Some clouds warn of storms and other clouds tell of fair weather. Compare and contrast the characteristics of different types of clouds through vibrant photographs.</span>