This should be A. Hope this helps!
Answer:
b
Step-by-step explanation:
step by step explanation I'm probly wrong
Answer:
A- control group
Since group A is tested under normal condition, it is the control group. Control group is separated from other groups so that the independent variable being tested cannot influence the result.
Answer:
false
Step-by-step explanation:
-7=(-5)-(-12)
-7=-5+12
-7=7 is not true
