Please help me with this question!

What is the rationale for government provision of education? -not all incomes are equal, but everyone has the right to education regardless of wealth. -potential students consider only their personal benefits gained from education, but the rest of society benefits, too. -no education would be provided in the absence of government provision because everyone would consume it without paying. -the cost of providing education for the entire public is too large. -the government can provide education at a much lower cost than the private sector.

How is the introduction of the cane toad to queensland, australia an example of the unintended consequences of using non-native species to control pests? (site 1)

Mars has a surface gravity that is only 0.38 (a little over one-third) that of earth's. thus, the weight of an object will also be 0.38 times that of earth. what is the g.p.e. of a climber who weighs 675 newtons on earth at the top of 26,000-meter olympus mons?