𝐂𝐡𝐨𝐨𝐬𝐞 𝐭𝐡𝐞 𝐜𝐨𝐫𝐫𝐞𝐜𝐭 𝐨𝐩𝐭𝐢𝐨𝐧.
Oil spills __________ major problems for sea otters.

• cause
• do
• make
• produce