The answer to the first unknown is "Sensation" while in the second unknown is "Perception". These two words are very different such that the "sensation" is when the sense organ detected external physical stimuli but the "perception" is the processing, organizing and interpreting of those stimuli captured by sensation in the brain.
✧・゚: *✧・゚:* *:・゚✧*:・゚✧
Hello!
✧・゚: *✧・゚:* *:・゚✧*:・゚✧
❖ The correct answer choice is B. Soil.
~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡
~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ
Over the next few days, the single cell divides into multiple cells. At the same time, the small cluster of dividing cells moves through the fallopian tube to the lining of the uterus. There it implants and starts to grow. For 8 weeks after implantation, it is called an embryo.