A. how can food be produced sustainably? list 5 ideas.
b. list 5 advantages of making the transition to sustainable food production (organic farming).
c. what prevents organic farming to be the norm rather than being the exception? list 5 reasons.

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.

How does australia influence people

Read the article titled "castro resigns." why did the us impose trade sanctions against cuba in 1962?