Which of the following is true concerning the WNBA ? Select one: a. It is the professional league for women. b. It has grown in popularity over the last 50 years. c. It was started as an alternative for women when the NBA was established for men who wanted to play professional basketball. d. All of these are true.

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s. a. determine jay’s mass. b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system