How does the fern Glossopteris provide evidence for the movement of the continents? O It lived at the same time as Lystrosaurus. bc
O It was found on many continents.
O It existed in the Permian period.
O It is the oldest plant on Earth

Shanti wraps the gift she is taking to a friend's birthday party. she doesn't have very much paper, so she does not overlap any of the edges. how much paper did it take to cover the gift?

What is the reason for the “scramble for africa”?

One of the brightest comets of the 20th century was comet hyakutake, which passed close to the sun in early 1996. the orbital period of this comet is estimated to be about 30,000 years. find the semi-major axis of this comet’s orbit. compare it to the average sun-pluto distance and to the distance to alpha centauri, the nearest star to the sun, which is 4.3 light-years distant.