a) Incineration b) Recycling c) Landfilling d) Composting
a) Iron b) Platinum c) Diamond d) Graphite
a) Velocity b) Force c) Momentum d) Mass
a) Tissue b) Organ c) Cell d) Nucleus
a) Centrifugation b) Dialysis c) Reverse Osmosis d) Electrophoresis
a) Melanin b) Chlorophyll c) Hemoglobin d) Carotene
