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❖ The correct answer choice is B. Soil.
~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡
~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ
Answer: C. Blisters
When the sores have healed and the skin looks normal again, the virus hides in the nerve cells under the surface of the skin.
Answer:
- C
- A
Explanation:
The response variable is measured on each individual. In this case the variable we must measure is whether a child caught a cold.
We must asses whether the milk is responsable for the changes in results, to assure this we must be sure that the child received a cup of milk at school each day.