Earth would basically look like the Moon; minus the craters, of course. This is because with no atmosphere to hold all of the Oxygen near the surface, all life would die off fairly quickly.
The answer;
Through hands;
The primary mode of transmission of microorganisms to food contact surfaces is your hands.
Explanation;
Hands are contaminated through the touching of other parts of the body, using the restroom, Handling or caring for animals, coughing, sneezing, blowing nose, handling raw meat/poultry, Handling garbage/dirty dishes, Handling money, among other ways.
Contaminated hands in turn contaminate food and food contact surfaces.
Answer:
Because the duckling will have been imprinted on it, thinking the child on the tricycle is its mother
Explanation: