Which class of lever has the fulcrum between the effort force and the resistance force

First

Second

Third

Why do hydrogen atoms accompany electrons as they are transferred in biological systems?

What do we call the process by which cells obtain the energy that they need?

Which age of river is usually slow and meandering? A. mature B. youth C. middle age D. new

What is the term given to the penetrating rays and particles given off by radioactive materials called

In Rutherford's gold foil experiments, some alpha particles were deflected from their original paths but most passed through the foil with no deflection. Which statement about gold atoms is supported by these experimental observations

Where are two places that scientists obtain scientific knowledge

Which of the following best describes what happens when an ionic bond forms? A) two atoms come together and share electrons in order to fill their octets. B) two atoms give up their electrons in order to form a bond.

Describe the attraction between 2 atoms as a result of sharing electrons

I need to know about mitosis and meiosis

What is sediment and debris, and what role does it play in the way sedimentary rock forms?