The answer is c, because a compound is two substances combined chemically and a mixture is not
Answer:
your brain consumes 20% of our daily intake calories,that's 400-500 for a man and 350-400 for a woman
The pipettes can basically be characterized into five grades. these grades includes the serological, disposable, repeat, single channel and multi-channel pipette. The guidelines for the usage of each of these pipettes differ. However, some instructions are common, such as the control of the flow of liquid. The index finger is used for the purpose of controlling the flow of the liquid from the pipette.
Hence, the answer is 'index finger'.
2. White Dwarf Stage
The sun will run out of nuclear fuel and slowly cool down over many billions of years.