<span>It is separated from the external ear by the
eardrum.</span>
Weak acids do not and cannot dissolve in water. They become even more diluted, or watered-down, and become even weaker acids.
The correct option is D.
The Taiga biome, which is also known as the coniferous forest has been described as the largest terrestrial biome because it extends across some continents of the world. The biome typically has short summers, which can be very wet and winters, which are long and can be very cold. The majority of plants in taiga biome are conifers and these plants are described as ever green because they remain green all year round.