Ostrich eggshell is composed of 96% crystalline calcite and 4% organic material, mostly proteins. The thickness is made up of three different layers that vary in structure and thickness. The hardness of the shell is 3 on the Mohs scale. Pretty solid!
Sperm cells are stored an matured in the Epididymis
<span>BACTERIA
Gram-positive bacterium used widely for industrial production of fermented dairy products such as milk, cheese, and yogurt-</span><span><span>Lactococcus lactis</span> </span>
Answer:
C. Bacteria
Explanation:
Above ANS is correct mark it as branlist answer