1. ocean-> seashells -> limestone -> lithosphere
2. ocean -> marine plants -> sediments -> lithosphere
Physical changes are changes that change the physical traits of the substance, without making any change in their internal structure. Chemical changes effect internal structure of the substance and new substance is formed.
Examples of physical changes - breaking glass, evaporating alcohol, shredding paper...
Chemical : burning paper, heating sugar to form caramel, rusting of iron...
Lymph<span> contains a variety of substances, including proteins, salts, glucose, fats, water, and white blood cells.</span>
<em>≈ 0,27 g/cm³</em>
<em>36.5 l = 36.5 dm³ = 36500 cm³</em>
<em>10 kg = 10000 g</em>
<em>d = m/V</em>
<em>= 10000g/36500cm³</em>
<em>≈ 0,27 g/cm³</em>
