Answer:
The chemical reaction is: AB + CD ---> AC + BD (ΔH= - )
Explanation:
After the reaction between two reactants, two products are generated.
As the products have less energy than the reactants, this energy is released and ΔH is negative
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.
Perception of pitch and sound intensity is the cocklear
If 2 different people use the same dichotomous key on the same organism it’s only natural for them to have the same results. It wouldn’t make sense if they had different results unless one of them made an error.
