11.3 Determine the molecular mass of a compound from the molecular ion peak [SL IB Chemistry]
Because the catfish has whiskers just like a pet cat does. Because the catfish has whiskers just like a pet cat does.
Because they are photosynthetic and aquatic, cyanobacteria are often called blue-green algae. This name is convenient for talking about organisms in the water that make their own food, but does not reflect any relationship between the cyanobacteria and other organisms called algae.