Isotopes are variants of a particular chemical element which differ in neutron number (neutral particle)and all isotopes of a given element have the same number of protons (positive particle) in each atom.So isotope B of the sodium will have 11 protons, 11 electrons but it may have a wide range in its number of neutrons.
The nitrogen cycle could no exist without bactria. bacteria that lived inside the ground, catch the nitrogen that has been fixed and covert it into nitrate.
Answer:
law of independent assortment
Explanation:
Independent assortment is the random distribution of the pairs of genes on different chromosomes to the gametes. I hope this helps :)
It overwhelming supported by greater scientific community, and if no experiments have proven it wrong
