Syphilis when is exposed to a dry environment, is inactivated; also cannot be transmitted by contact with contaminated surfaces due to it is a sexually transmitted disease caused by a bacterium, the infection is clearly occur in contact with human secretions especially genital and blood or secretions of an infected patient.
In addition, a bacterium cannot live for more than 8 hours if the conditions are not suitable.
Answer:
14 problems worth 5 points and 15 problems worth 2 points
Explanation:
x+y=29
14+15=29
5x+2y=100
5(14)+2(15)= 100
70+30=100
100=100
Hope this helps!
Answer:
The answer is B.
Explanation:
The United States has been progressively expanding towards the southwest since the start of the country.
Answer:
The chemical feature of each group is: native elements – only one element; silicates – silica tetrahedron; phosphates – phosphate tetrahedron; carbonates – one carbon atom with three oxygen atoms; halides – a halogen bonded with a metallic atom; oxides – a metal combined with oxygen; sulfates – sulfur and oxygen