Astronomers detect a large asteroid that's far away but still heading toward earth at 754 m s . a straight trajectory would bring it within 3.3 × 108m of the earth (about the orbit of the moon). however, the earth's gravitational attraction will pull it closer towards the earth. is there cause for alarm?

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics? he proposed that plates carry parts of the seafloor. he theorized that pieces of earth move for a limited time. he suggested that the asthenosphere is broken into segments. he observed seafloor cracks similar to existing cracks in the continents.

Which area on the map would be most likely to have the most oil exploration in since the start of the 21st century? a) b) c) d) plz me

Why would the composition of a meteorite resemble the earth's interior?