On the Moon they would weigh only 200 N. The astronaut's mass is 120kg wherever they are. The weight of an object changes if the strength of gravity changes. Remember: a mass of 1 kg has a weight of about 10 N on Earth.
The droplets in the air may be breathed in by those nearby. Spread can also occur by touching the nose or mouth with droplet contaminated hands. Examples of droplet spread diseases: 1  common cold. 2  flu. 3  meningococcal disease. 4  rubella.
Quiz Time! Circle the correct answer below. â¢ Blood borne pathogens are: â¢ airborne particles that are easily inhaled. â¢ microorganisms that are carried in blood. â¢ small larva that feed on animal carcass. â¢ Hepatitis B (HBV) can survive in dried blood for. up to seven days.