Answer: There are many sources of light, but the initial energy for all light sources comes from the sun. Light travels away from its source in straight lines through space as waves of energy. The waves we can detect with our eyes are called visible light. Patterns in the behavior of light are predictable because light moves in waves through space until it comes in contact with an object or material that changes its direction. Light can pass through or bounce off objects. Additionally, different materials can block or absorb light. If an object blocks light, a shadow of the object forms. If the intensity or direction of the light source changes, the appearance of an object’s shadow can change in size, shape, or darkness. Absorbing light energy can cause changes in matter. A common example includes the color of paper or fabric fading as the matter absorbs light over time. Vibrations cause sounds. We can hear when sound waves travel through the air to our ears and cause our eardrums to vibrate. Sound can also travel through other forms of matter, such as liquids and solids.
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Answer:
The water cycle is driven primarily by the energy from the sun. So basically the answer is D. the sun
Please correct me if I am wrong
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Answer:
Unsaturated fast is a type of fat containing a high proportion of fatty acid molecules with at least one double bond, considered to be healthier in the diet than saturated fat. And Saturated fat is a type of fat containing fatty acid chains that have only single bonds, and considered not healthy if consumed much of
Explanation:
<span>The neutral nature of water changes due to mixing of various salts, bases, and acids, thus changing its pH. </span>
