C. because the dam blocks fish from traveling ahead of the dam
Answer:
x²+6x+5=0
On comparing with the equation
ax² + bx + c = 0
a=1, b = 6 and c = 5
Now
b²– 4ac = 6² – 4 x 1 x 5 = 36 - 20 = 16
1. They are isotopes of oxygen
2. they have the same number of protons and electrons
Answer:
The total energy of the system is maintained as energy is transformed.
Explanation:
The total energy of the system is conserved.