7. Which word BEST describes symbiosis? O A. ecosystem
O B. relationship
O C. living
OD. environment

Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f

Idon't really understand this can you me and show your work.☺☺[ chemistry b] subject [ electron transfer in lonic bonds]grade( 12)

2. how is heavy water different from normal water