I think the answer is b because he lists all of the "big" problems in the world and realizes stealing 7 dollars is nothing.
Solar absorbers are better for the enviroment, therefore they're better in the long run. We will eventually run out of oil and coal, as they are fossil fuels. But the sun won't stop shining for millions of years.
Nicole discovered the key to the hidden garden and opened the door.
First identify the verbs.
Nicole discovered the key to the hidden garden and opened the door.
To find the direct object of <em>discovered</em>, ask <em>what</em> Nicole discovered, she discovered "the key". Note that "to the hidden garden" qualifies the key, so "the key to the hidden garden" could be the complete word group. You will find out when you click on it, either just "the key" or the complete word group.
To find the direct object of <em>opened</em>, ask <em>what</em> Nicole opened, she opened "the door".
