sorry but if you are looking for an answer I don't know one. :(
Answer:
Is soft
Explanation:
because concrete is hard ash so t hink flour would be safer
Insulation wraps because independent is the variable you are changing to affect the dependent variable (what you are measuring)
Pipes are made of the element Lead so the answer should be d) lead pipe
The answer to this question is particles yes girl work slay that chem