Please capitalize where necessary: we sense in our hearts that we need to come together.
A: We sense in our hearts that we need to come together.

Please capitalize where necessary: in the election of 1990 the new democratic party gained a slight majority of the seats and pasok was out of power. pasok's loss may have had more to do with scandals that touched it than its ineffectualness.
A: In the election of 1990 the New Democratic Party gained a slight majority of the seats and PASOK was out of power. PASOK's loss may have had more to do with scandals that touched it than its ineffectualness.

Please capitalize where necessary: make ads more effective
A: Make ads more effective

Please capitalize where necessary: again, friction applies the necessary torque, and to increase this torque, the stem of a typical tippe top is normally grooved to increase friction between the stem and the surface, as can be seen on the picture at the top of this page.
A:
Again, friction applies the necessary torque, and to increase this torque, the stem of a typical Tippe Top is normally grooved to increase friction between the stem and the surface, as can be seen on the picture at the top of this page.