My reaction time was 0.7268 seconds the first time and 0.3883 the second time. What was yours

What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus