Question

select the text from the paragraph that best helps you understand that innovations means inventions. there may be more than one correct choice. once aboard the space station, these men and women need to continue their workouts, this time in little to no gravity. this situation presents some unique challenges, but scientists have developed many innovations to help astronauts stay in good shape. these include special shoes and new types of weight - lifting machines, treadmills, and exercise bikes that all work without gravity. this physical activity is important because it helps address the detrimental effects of zero gravity, such as premature aging and the loss of muscle mass and bone density.

Explanation:

The text lists "special shoes and new types of weight - lifting machines, treadmills, and exercise bikes that all work without gravity" as examples of "innovations". These are inventions that help astronauts stay in shape in zero - gravity conditions, showing that "innovations" means inventions.

Answer:

These include special shoes and new types of weight - lifting machines, treadmills, and exercise bikes that all work without gravity.