OPT: 1). black; 2). matter; 3). grey; 4). shaded; 5). unique; 6). living; 7). shadowed; 8). a wave;
Q: Fact 1: If an object is black then that object absorbs all visible light. Fact 2: Black objects absorb all different wavelengths of light. Given the two facts above, if something is what, then it absorbs all different wavelengths of light?
A:
1).