What did william penn think would attract new settlers to his colony in pennsylvania?

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Which subatomic particle has a negative charge

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?