Answer: -Some (but not all) plant cells - mostly those in the middle of leaves - have chloroplasts - green structures which contain the pigment chlorophyll. This absorbs light energy which is then used in photosynthesis to make sugars.
Explanation:
All there is ,is electricity type of energy
Answer:
I A
Explanation:
Vibration can simply be explained as the the action of moving back and forth quickly and steadily. And , It should be understood that sound wave is produced when an object vibrates.
It should be noted also that sound waves travel through solid, liquid and air or gas.
Therefore, it means that sound waves are not created by vibration but created or produced only when something is caused to vibrates.
