Arthur monta um circuito com duas lâmpadas idênticas e conectadas à mesma bateria, como mostrado nesta figura: Considere nula a resistência elétrica dos fios que fazem a ligação entre a bateria e as duas lâmpadas. Nos pontos A, B, C e D, indicados na figura, as correntes elétricas têm, respectivamente, intensidades IA, IB, IC e ID. Assinale a alternativa que indica qual das correntes apresenta o maior valor.

Valor da questão: 1 ponto
IA
IB
IC
ID

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.