This means that we all are the descendants of one ancestor !! thus our genes match !!
Excited electrons are those which temporarily occupy a state higher than their ground state
The electron is excited if it is given extra energy, such as when a photon, or packet of light, absorbs it or if it collides with an atom.
Answer: D.600 minutes
Explanation:At 70 percent it takes about 450 minutes, so it should take about 600 minutes at 90 percent.
This would be the topsoil or A horizon
made up of organic matter like dead plant and animal matter
<span>:P hope this helps
</span>
Answer:
True
Explanation:
There are more smooth muscles as opposed to skeletal muscles
