A imagem mostra um experimento realizado para estudar a combustão. a) Cite a evidência visual que caracteriza a combustão.

b) Qual é o comburente e qual é a porcentagem aproximada desse gás na atmosfera?

c) A quantidade de gases nos copos, utilizada no experimento, é a mesma? Justifique.

d) Explique por que a vela apagou.

Which of the following best describes the purpose of technology?

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?