Which sentence contains an adverb clause?
a.
yosemite national park, in central california, covers nearly 1,200 miles of mountainous terrain.
b.
when you return from california, take a taxicab from the airport.
c.
california has three of the top ten most populated cities in the united states.
d.
the state of california is also called the golden state.

recent news about two years ago indicates that a polish forestry student by chance unearthed at a depth of about 40cm (16 inches), during digging in a damp polish forest he found a 13-page manuscript into a thermos flask.

greek jew marcel nadjari was a aischwitz slave who witnessed how the nazi's built big death chambers and crematoriums and told how he was forced to escort fellow jews to the gas chambers. he accounts on this manuscript how the nazi's disguised this chambers to look like showers. also, he describes this place as a process of extermination from the chambers to the trains arriving to take the bodies.

i love it

explanation:

keep up the good work ; )