Which would a student most likely do in a digital laboratory?

a. conduct an experiment in chemistry

b. take counting education classes in chemistry

c. look for an out-of-print book about chemistry

d. watch an instructional video about chemistry

As oil prices rose during 2006, demand for alternative fuels increased. ethanol, one alternative feul, is made from corn. according to an article in the wall street journal the price of tortillas which are made from corn also rose during 2006. the price spike in tortillas is part of the ripple effect from the ethanol boom. draw demand and supply graph for corn market and use it to show the effect on this market of an increase demand for an ethanol. be sure to indicate the equilibrium price and quantity before and after the increase in demand for ethanol.

Which line from the text provides specific support for the idea that mantids are excellent hunters? a) first, mantids show an amazing mastery of hunting skills. b) mantids eat a wide variety of insects, including moths, crickets, bees, flies, and grasshoppers. c) they have large, powerful front legs, with spikes that them hold on to prey. d) finally, they are very personable, as far as insects go. (language arts)

As sentenças a seguir trazem a mesma situação: a entrada de animais. leia: i – é proibido entrada de animais. ii – é proibida a entrada de animais. iii – é proibida entrada de animais. assinale a alternativa correta em que indica o uso correto do artigo nas sentenças: escolha uma: a. as sentenças i, ii e iii estão corretas. b. as sentenças i e iii estão corretas. c. as sentenças i e ii estão corretas. d. somente a sentença i está correta. e. as sentenças ii e iii estão corretas.