Well it depends on what kind of bacteria, mostly heat.
The correct answer is letter a. the forces are equal and opposite.
A car's windshield has the same force of the car while it is moving, if a humming bird flies towards a moving vehicle without the bird getting hurt, the bird and the car may be considered to have equal yet opposite forces, which left the hummingbird unharmed.
<span>Changes in a DNA sequence that affect genetic information are known as mutation.</span>
