3 · en
Short, simple sentences with “alkaline”, suitable for children and primary/elementary school, with common expressions and related words. You'll also find examples for middle and high school.
A moist soil rich in alkaline substances produces a perfect fossilisation, since this combination transforms the structure of the bone, petrifying it and preserving its shape intact.
Plasma is a homogeneous, slightly alkaline liquid with a high proportion of water (90%), minerals such as sodium, calcium and chlorine, proteins, enzymes, vitamins, hormones, antibodies, etc.
If the soil where an animal dies is alkaline and dry, we will find, after some time, a subfossil, with a light and fragile texture, but plausible to be studied with the necessary precautions.
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