3. which of the following is not a characteristic of magma? freezes between 700°c and 1,250°c contains…

3. which of the following is not a characteristic of magma? freezes between 700°c and 1,250°c contains silicate minerals contains mobile ions does not contain any gases 4. which igneous rock is most common in the earth’s crust and makes up most of the ocean floor? andesite granite basalt obsidian

3. which of the following is not a characteristic of magma? freezes between 700°c and 1,250°c contains silicate minerals contains mobile ions does not contain any gases 4. which igneous rock is most common in the earth’s crust and makes up most of the ocean floor? andesite granite basalt obsidian

Answer

Answer:

  1. D. Does not contain any gases
  2. C. Basalt

Brief Explanations:

  1. Magma contains gases like water - vapor, carbon - dioxide etc. So, the statement that it does not contain any gases is false.
  2. Basalt is the most common igneous rock in the Earth's crust and makes up most of the ocean floor.