Which of the following statements is inaccurate?

a. the electronic structure of an atom or ion being oxidized doesn't change during the reaction.
b. oxidation includes a loss of electrons from an atom or ion.
c. oxidation comes before reduction.
d. oxidation results in a positive charge.

Which statement about the stamps is correct?

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Enzymes affect the reactions in living cells by changing the