Answer:
centimeter
Explanation: centimeter is use for meausring length
Answer:
They are synthesized from raw materials
Explanation:
All synthesized products goes through lots of processes. This processes involves the conversion of substances known as raw materials into a more useful and modified form.
These synthesized products are usually more useful and made in order to solve a given problem or offer a particular service. Raw materials are cheaper than the synthesized products and are common in all industries and fields.
Answer:
A. non renewable energy sources cannot be used over again and renewable energy sources can be used again