You can only score points in badminton when you serve (This is about badminton) True
False

(This is gym).

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?

Ways that industry and agriculture use physical properties to separate substances

How does an observation about an object differ from an inference about that object