Meeting of cool and warm air masses
Rhythmic contraction and relaxation of heart is called <u>The</u><u> </u><u>Cardiac</u><u> </u><u>Cycle</u> .
Answer:
Qualitative observation is an observation in which the apperance of something is described using descriptive language
Explanation:
Qualitative observation is done to test the quality or purity of a substance being examined.
Qualitative observation is based on nonnumerical information.Qualitative analysis helps us to study whether a particular functional group,ion or atom is present or absent in a given sample.
The correct answer is D. Vacuole
Explanation:
In cells, the vacuole is the organelle in which different substances or solutions are stored, this includes wastes, water, food, and even solids that the cell does not require because they are waste and therefore might contaminate the cell or substances the cell store to be used later. Due to this, the vacuole is a chamber that contains specialized membranes that allow certain substances to go in or out. Also, vacuoles can be found in plants, animals, fungi, among others although in organisms such as plants they are bigger. According to this, it is vacuoles the organelle that stores wastes, water or food.