Answer:cell walls; plant-like
Explanation:
Diatoms are white, porous and soft I'm nature. When it's die, it's leave it's shells which is made of silica glass.
The silica glass is some how abrasive which is why it is use as toothpowder.
Diatoms are microscopic bit of silica glass which are use as fine abrasive in toothpaste to clean teeth.
Answer:
non-infectious
Explanation:
You cannot be infected by another person with diabetes.
When a substance combines with another to form a new substance
Answer:
Water molecules are polar, so they form hydrogen bonds. This gives water unique properties, such as a relatively high boiling point, high specific heat, cohesion, adhesion and density.
The biome with the most diverse communities of organisms is the rainforest.