The aqueous bromothymol blue solution act as a pH indicator and turns blue only in case when the pH of the sample is above or equal to 7.6
Since the pH of the water at the surface of the lakes is higher and ranges between 7.5 to 8.5 the color of bromothymol turn blue.
Magma is a mixture of molten and semi-molten rock found beneath the surface of the Earth.
Because their carbon and energy must be obtained by eating or absorbing organic compounds originating from other living organisms
<span>Cellular Metabolism - producing and using energy
</span><span>Reproduction - self explanatory.
</span><span>Molecular Transport - transporting all energy and products from one place to another within the cell and within the body. </span>
Answer:
Allows which things enter.
Explanation:
Example: If a plant did not have a cell wall, dangerous things could enter and destroy the cell.
