Answer:
The sidebar tells us what Earth scientists are actually doing about the risk of an asteroid impact.
Explanation:
The main part of the page discusses how frequently the moon is hit by rocks; how most rocks are too small to make it past Earth's atmosphere; how the rocks that do make it all the way to Earth's surface are usually pretty small and don't hit anything important; how screwed we would be if a massive rock – like an asteroid – made it to Earth's surface.
The sidebar says that scientists are understandably worried enough about these asteroids – they "feel the danger is to great to ignore" – so they're keeping a lookout for asteroids that might be on a collision course with Earth.
They shouldn't be bad for the ocean they are part of it.The only bad part is that they sting and they take up some big parts of the ocean.
Answer:
D. Before he went to sleep he completed his homework.
Explanation:
A dependent clause is a clause that has a subject and a verb, but doesn't make sense on it's own. The dependent clause is"Before he went to sleep", because he is the subject, and sleep is the verb, but doesn't make sense on it's own.
