Determine which suffix corresponds to the following mnemonic aid. When the root is a full word except for a final e, the forms usually are spelled with
-ible.
-able.

When a root word ends in ns, soft c or g and miss, one should use the suffix ible. A suffix is a group of letters that is being place at the end of a word in order to make a new one.

Explanation:

the answer is a.

explanation:

the clause "looking toward the south" modifies "a funnel cloud." it's not really the cloud that's "looking," but grammatically, that clause is modifying the cloud.