Joseph rides his bike for 30 miles in an hour going west. Is it speed or velocity or acceleration

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f