Why do scientists consider any hypothesis valuable?

Why might surface mining be less risky for miners than underground mining? a. surface miners can become trapped in a collapsed mine. b. surface miners work in dusty, enclosed areas. c. surface miners work aboveground. d. surface miners use elevators to enter mines.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?