Vaccines introduce small amounts of dead viruses or harmful cells into the body in order to teach the body how to effectively fight said virus/cell
The answer is
D) Pp, PP, and pp.
i attached a picture of a punnett square i did to help you understand the answer more, if you want.
✧・゚: *✧・゚:* *:・゚✧*:・゚✧
Hello!
✧・゚: *✧・゚:* *:・゚✧*:・゚✧
❖ Your body might need new cells to replace the old, damaged, cells that need to be repaired, or dead cells. Your body might also need more cells for you to grow.
~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡
~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ
1) the manipulative variable is the salt
2) the responding variable is how many purple eggs hatched
3) beaker A was the controlling variable