Kara shines a blue light and a red light onto paper as shown in the figure below. If the paper is
blue, what color (or colors) of light reflect off the paper?

A. only blue
B. only red
C. both red and blue
D. neither red nor blue

What is a property of a double replacement reaction

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons