Questão 9 #3084050
Read the text and choose the best option to complete it.
Adapted from System Beramater 07.
"Bacteria are live organisms made up of a single cell. They are capable of reproducing themselves and they can be found everywhere.
Some bacteria are harmless, but
_.and some can be highly useful. Did you know there is a
special kind of bacterium that enriches the soil with a powerful nutrient that helps plants grow?
a) "animals, plants, and even bacteria can be infected by viruses
Ob) a microscope is not enough to allow us to see a virus"
OC "passive immunity only lasts for a few months
Od "an abnormal reaction to a foreign substance is an allergy
e) some can cause devastating diseases to people, animals, and plants"