I believe the answer is North East
So we have two limestone beds, one of 550 million years old (well, the fossils are, but it suggests that the rock was created around the same area) and another that is 400 million years old. The first one is then older than the second - the correct answer is c!
Within our galaxy alone there are around 500 solar systems (or so many we have discovered so far): so the statement is clearly wrong and the correct answer is b) False.
There are a lot more starts in the galaxy, but not all of them have planets around them - so not all of them have a solar system
Answer: The Moon's orbit about the Earth lies in a plane which is tilted by about 5.15° with respect to the plane of the Earth's orbit about the Sun. (If this tilt was zero, we would have total solar and lunar eclipses every month!) ... For example, the Moon travels faster across the sky at perigee, and slower at apogee.
Explanation: