Rock salt is also known as halite. It is different to sea salt because it is already found in a solid form and then mined. Table salt (refined salt) can also be produced from solid salt which is found underground and then refined to remove any impurities.
Answer:
1. it's difficult
2.more harder
<u>Explanation</u><u>:</u>
lt have sense
Cardiac muscle is one of the three major muscle types, the others being skeletal and smooth. Some cardiac muscle cells are auto-rhythmic. They contract even in the absence of neuronal innervation. Intercalated disks are located between cardiac muscle cells.
Because natural selection is caused so that an organism can adapt and better survive their environment. They are involved in the formation of fossils because organisms that die are buried in sediment and become fossils.