question 20 (mandatory) (2 points) use ox/i to build a word that means …

QUESTION IMAGE

Question

question 20 (mandatory) (2 points) use ox/i to build a word that means instrument for measuring oxygen: _____________.

Explanation:

Brief Explanations

The prefix "ox/i -" refers to oxygen. The suffix "-meter" means an instrument for measuring. Combining them gives the word for an instrument to measure oxygen.

Answer:

oximeter