Question

1. what is the text mostly about? a. charles darwin b. the industrial revolution c. natural selection d. earths ice ages 2. read the following sentences: in the english countryside near industrialized areas, the trees began to blacken with soot because of all of the smoke in the air from the factories. this made the light - grey peppered moths much more vulnerable. predators could see them on the trees more clearly and easily hunt them down. what does vulnerable mean? a. quick to change b. open to attack c. easily defended d. in a strong position 3. choose the answer that best completes the sentence below. ______ of the smoke given off by coal burned in the factories, the nearby trees became blackened with soot. a. on the other hand b. formerly c. as a solution d. as a result

Explanation:

1. El texto parece estar relacionado con la Revolución Industrial debido a la mención de humo de fábricas y su impacto en el entorno.
2. La palabra "vulnerable" en el contexto significa que algo está expuesto a ser atacado, ya que las aves de presa pueden ver mejor a las polillas.
3. "As a result" (Como resultado) es la opción correcta ya que muestra la consecuencia del humo de las fábricas en la oscurecimiento de los árboles.

Answer:

1. B. La Revolución Industrial
2. B. open to attack
3. D. As a result