Covalent bond is when two atoms share one or more pairs of electrons, an example of this could be H20 or C02.
ionic bonds are when one or more electrons from am atom are removed and attached to another, which can result in positive or negative ions which attract each other, an example of this could be table salt.
<span>These
islands have different ecologies and most are not connected to each other by landmass.
Therefore, the organism adapt to each of the different ecologies on their
islands. These populations were physically separated due to lack of connection
to each other and would not breed randomly. They therefore formed different species
by allopatric speciation.</span>
The SI unit of temperature is the Kelvin. Although the Celsius temperature scale is also used, it is considered a derived SI unit and is generally used to measure everyday temperatures.
Mitosis of a single cell results in two daughter cells
<span>A person chooses to not eat red meat, spinach, or other foods high in iron.</span>
