Answer:
A. No precipitate is formed.
Explanation:
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In this case, considering that both calcium chloride and barium chloride are CaCl₂ and BaCl₂ respectively, due to their high polarity by cause of the ionic bond they have between calcium and chlorine and barium and chlorine we say they are highly soluble in water, therefore, A. No precipitate is formed.
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Animals contribute water vapor back into the atmosphere by respiring, breathing out water vapors that rise to the atmosphere. They're perspire to prevent overheating; during this process, water is excreted through the pores and evaporates off the skin, cooling the animal by absorbing the external heat.
Wdym? what can be treated?
Its B, because A is supposed to be a carbohydrate and D says lipids are inorganic but they are organic. Last C, Catalyst speeds up chemical reactions not lipids. So B is the right answer they make up part of the cell and cell membrane.
