Answer:
The length of the two wires
Explanation:
A control variable is what you keep the same through the whole experiment so therefore it could be both length and diameter
Answer: by colors
Explanation:
A lot of Fish have certain colors to help blend in to their environment.
I hope this was helpful. :)
Answer:
it is might be wrong....
Explanation:
Third-trimester ultrasounds can examine the placenta and the position of the fetus. Sometimes an ultrasound is part of a test called a biophysical profile (BPP) to see whether the fetus is getting enough oxygen. The BPP examines the baby's breathing, movement, amount of amniotic fluid, tone, and heart rate response.
I believe is A I’ve learned that in 8th grade I think
