forces between charges are enormous in comparison to forces. Question 8 options: Electric, gravitational Gravitational, electric Positive, negative Negative, positive

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

In a system, when potential energy decreases, then entropy also decreases. true false

In what direction does an applied force move an object