Mantle
In mollusks with shells, the outer cells of the mantle secrete
calcium carbonate and conchiolin to form the shell. The mantle is the body wall
of a mollusk. It resides below the shell where it covers the body of the
animal.
Conception- This is when the egg and the sperm unite at conception, it is the fertilization and starts at the woman’s fallopian and the fertilized egg , First Trimester
- First four weeks of the conception-, Second Trimester- This is 3 months after conception and this is where the baby can be felt kicking and can hear,Third Trimester- 28 weeks after conception and is having breathing movements and the women would be adding some body fat. If I am wrong please let me know
The ocean since erosion gets minerials from one place to another the ocean is the reason of the formation since the ocean is the only thing that could form its because of the waves
Answer:
increases in crop productivity brought about by genetic engineering can help relieve problems faced by farmers by decreasing the losses caused by pests, disease, weeds,
Explanation:
