False, <span>Nanotechnology is proving effective at helping clean up PCB’s.</span>
Friction can be bad by being too strong or too weak.
<span>Sometimes, when it is too strong, it decreases efficiency since some energy is wasted and turns to heat. Friction can also d</span><span>amage equipment/objects like when you slide it on the floor.
</span>
When friction is too weak, like for instance when there is black ice- our center of gravity is displaced too quickly and we can fall. Likewise, if there is a lot of slush on the ground, cars can slip and slide.
Answer:
You can increase your cardio respiratory endurance by exercising on the regular base that increase your heart beat and breathing rates. Some examples of good exercise is running, jumping rope, swimming dancing ect.
Explanation:
You are welcome.
Answer:
the amount or number of a material or immaterial thing not usually estimated by spatial measurement