1. What is the frequency in [Hz] of a red laser beam, with a wavelength of 670 [nm], which you observed it many times in your school when your instructor pointed to slides on the screen or to board during the
lectures?

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.

Do you want free points and brainliest? answer this correctly and i got you : ) when scanning the road, glance away from the road ahead for a. at least one second b. no more than one second c. at least two seconds d. no more than two seconds

Among the following environmental factors, which does not have a long-term impact on the composition of a region's soil? a. kinds of crops grown b. types of fungi present c. topography of the landscape d. variety of species of mammals e. number of freezes occurring annually