Physical removal of an invasive species is an example of .
a.
mechanical control
c.
biological control
b.
chemical control
d.
all of the above

a. mechanical control

Explanation:

Mechanical control is a method used for controlling of harmful organisms by physical method. Physical means use of barriers, baits and fences are installed in order to kill the invasive specie in the ecosystem. This method is time consuming. Cost of production on the installation of mechanical control is also very high.

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

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