What are Common modes of preservation?

What are some common modes of preservation?

common cold is caused by herpes simplex virus transmitted by direct skin to skin contact.

Its transmission is direct.

Well if you're not a bear riding a unicycle, and you're not an agent, then the most common mode of transportation would be the human, mainly because in soviet russia car drives you

There are 4 operation basiclly done in micro processor 1.memory read 2.memory write 3.i/o read 4.i/o write