How many watts in a led light bulb makes 450 lumens.

If element x has 99 protons how many electrons does it have

How does an observation about an object differ from an inference about that object

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.