<span>Specific gravity is the mass or density of a substance expressed as a ratio of the same volume of that substance in a standard reference substance. For solids, the reference substance is usually water. For example, if solid substance Z has a specific density of 1.5, that means that solid substance Z weighs 1.5 times as much as the standard substance (water).</span>
Answer:Respuesta: el gusano tiene respiración cutánea es decir respira por la piel. ... libélula tiene respiración branquias. el tiburón tiene respiración branquial ósea respira por branquias
<span>The classification of species by morphology involves "Physical structure" of the species
Hope this helps!</span>
oxygen to the soil is the way it grows
Explanation:
but its other ways
