Answer:
C. 3 indirect transmissions
Explanation:
In epidemiology, direct transmission is considered to occur when an individual has direct contact with a pathogen, which infects him and develops a disease. Indirect infections, on the other hand, occur when individuals come into contact with the pathogen through a transmission vehicle.
In this case, we can conclude that in the question above, there were 3 cases of indirect transmission. This is because all people who had contact with the pathogen, established that contact through the contaminated marker. In this case, the marker is a transmission vehicle.
Earth''s magnetic orientation is locked into the rock when the rock cools
Answer:
It's a clean fuel source & Wind is an unlimited, free, renewable resource.
Explanation:
Wind energy doesn't pollute the air like power plants that rely on combustion of fossil fuels, such as coal or natural gas. Wind turbines don't produce atmospheric emissions that cause acid rain or greenhouse gasses. Wind energy is a domestic source of energy.
Osmosis is the movement of water molecules from a region of lower concentration to region of a higher concentration through semi permeable membrane
Answer:
True.
Explanation:
Anabolic steroids may be defined as the hormones that are taken in the forms of pill or can be directly injected into the body. The muscle mass of the body can be increased by the anabolic steroids.
Anabolic steroids can have negative effects on both the male and females. The anabolic steroids effects on female causes irregular menstrual cycle, moustache and the development of broad shoulders.
Thus, the answer is true.