Prompt
What was the effect of the British arrival on the Australian environment?

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.

Which feature of a map shows the relationship between a distance on a map and that distance on earth? key scale grid system compass rose

What is the amount of organic matter in all living organisms in a habitat called?