why is Samara stands on the ground. Gravity is applying a force to pull her body to the ground while the ground is applying the same amount of force to push back up against her body reaction-reaction forces

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

What does the symbol (–hfus) indicate in a phase change?

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.