Epic Meteor Adventure and Ozone Mystery

A meteorite hit a roof in Novato, CA, and its journey was traced back to the asteroid belt. The meteorite's composition suggests it is from an L chondrite, possibly linked to the moon's formation. Meanwhile, NOAA discovered ongoing emissions of carbon tetrachloride, a banned CFC, raising concerns about ozone depletion and climate change.

What was the origin of the meteorite that hit Lisa Weber's garage?

• It came from the asteroid belt between Mars and Jupiter.

• It originated from the Moon.

• It was a fragment of a comet.

• It was a piece of a satellite.

What is the significance of olivine found in the Novato meteorite?

• It shows the meteorite is an L chondrite.

• It suggests the meteorite is from the Moon.

• It indicates the meteorite's origin from a comet.

• It proves the meteorite is man-made.

How do scientists determine the age of meteorites?

• By analyzing their radioactive isotopes.

• By measuring their magnetic fields.

• By observing their color.

• By testing their hardness.

What major event is linked to the older impact found in the Novato meteorite?

• The formation of the Moon.

• The birth of the Sun.

• The extinction of dinosaurs.

• The creation of the asteroid belt.

Why is carbon tetrachloride still a concern despite its ban?

• It is still being emitted into the atmosphere.

• It is still being produced legally.

• It is harmless to the environment.

• It is being released by natural sources.