In the morning, i walk to my friend’s house which is 1 mile away. we walk to the park, which is 0.25 miles away, and run 3 miles while in the park. after that, we walk back to my friend’s house, then i walk back home. what is my displacement that day?

In an oxidation-reduction reaction, oxidation is what happens when a reactant

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium