About a question about colors​

Which sentence has an adjective clause? a.mike rode his bike on mountain trails because he found them challenging.b.gary donated to charity whenever he could.c.liz,who could always make people laugh,was loved by the whole block.d.ever since adam was a little boy,he had his father in the fields

What does the word subordinate mean in this sentence? the office manager spoke to her subordinate in a cordial tone.

Select the clause from the drop-down menu that correctly completes this sentence. thomas edison lived and worked in new jersey.who is best known for inventing the light bulb,who is best known for inventing the light bulb,who is best known for inventing the light bulb,