Help if you can! (answers below) An unidentified mineral that is softer than calcite exhibits a metallic luster and cubic cleavage. That mineral is most likely i accidentally clicked one so that is why its highlighted

Heat from the sun reaches earth to a. radiation b. convection c. conduction

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?