Ok, think about it. Does your skin prevent germs from getting inside you?
Does your skin prevent water from leaving the body too quickly? Does your skin protect your insides from getting damaged when you fall? Do you put food on your skin to absorb nutrients, or do you put food in your mouth like a normal person?
Answer:
Legionella tends to form biofilms and infect other microbial cells as intracellular pathogens.
Explanation:
The Legionella genus of the bacteria is a group of gram-negative bacteria that can cause legionnaires disease.
The<em> Legionella pneumophila</em> is a species of this genus which can cause legion pneumonia. The bacteria lives in the freshwater and is resistant to chemical treatment like chlorine and the biocide treatment.
The reason for this resistance is since this species form a polysaccharide layer around the colony of the bacteria which is resistant to these treatments and also the bacteria prove parasitic to the protozoans which feed on these bacteria.
Thus, the selected option is the correct answer.
Clouds can block light and heat from the Sun, making Earth's temperature cooler. You've probably noticed this kind of cooldown on a cloudy day. However, some heat from the Sun does get down to Earth. Clouds can trap that heat from the Sun.
<span>A. 5/8
B. 2/3
C. 10/12
D. 3/4
We need to simplify the fraction. Whatever number we use to divide the numerator, should also be the number used to divide the denominator.
18 </span>÷ 2 = 9
24 ÷ 2 = 12
9 ÷ 3 = 3
12 ÷ 3 = 4
18 / 24 is equal to 9/12
18 / 24 is equal to 3/4 CHOICE D.
3/4 IS THE SIMPLEST FORM OF THE FRACTION 18/24
