I think the answer is B, because only plant cells contain a cell wall, while the other answers contain an organelle that can be found in multiple cell types.
Acidity is determined using a pH indicator
Lamarck's theory of evaluation is known as the zoological philosophy, or the inheritance of acquired characteristics.
Warm ocean currents originate near the equator and move towards the poles or higher latitudes while cold currents originate near the poles or higher latitudes and move towards the tropics or lower latitudes. The current's direction and speed depend on the shoreline and the ocean floor.
Question number 2 the dna the answer is number 4 the last one
