Hi! :)
The amount of uranium within nuclear fuel rods is enough to sustain a chain reaction but is less than the critical mass necessary for the reaction to become explosive.
I think it forms in the atmosphere due to solar radiation or energy correct me if i’m wrong
If you want water to flow out of the tubing piece filled with a 50% solution, the minimum concentration of the solution in the beaker must be more than 50%. This is because, water can only flow out of the tubing piece if the concentration of the water inside the beaker is greater than that of the tubing piece; the water will move from the region of low concentration to the region of high concentration.
<span>Transmitted via neurotransmitters. There is a gap between two neurons. This place where the axon meets with dendrite is callde synapse. Neurotransmitters which are chemicals help transmit the signals from axon to dentrite. Calcium ions play major role in this process.</span>
The bird fossil Archaeopteryx is a species linking dinosaurs and birds.
