Select the most appropriate option to fill in the blank.
Many trees have growth rings that we can count and measure to ________ out how old
they are and how fast they are growing.
Abring
Bsearch
Clook
Dfind
Answer:
D. find
Read Explanation:
• The phrasal verb find out means to discover information or a fact.
• Bring out (to highlight), Search out (to look for something hidden), and Look out (to be careful) do not fit the context of determining age.