A.The strongest material known to man is considered to be the "Buckyball", a molecule consisting of 60 carbon atoms. Its discoverer won the Nobel prize.
A.Blood is red due to the colour of the haemoglobin molecules in red blood cells that carry oxygen around the body. Caused by the presence of an iron atom.
Q.in biology Place the following in correct sequence from simplest to most complex, molecule, atom, tissue, cells, organs
A.From simplest to most complex: atom, molecule, cell, tissue, organ. Skin is the largest organ. The largest internal organ is the liver.
Q.Are there atoms in a piece of dead wood?
A.Yes. Dead wood contains atoms, molecules, and even cells (though not living ones). All matter in the universe is composed of atoms.
Q.Is electricity a solid liquid or gas ?
A.Electricity is not solid, liquid or gas but the movement of electrons. It has nothing to do with a state of matter, which concerns atoms or molecules.