Answer: Air quality changes like pollution and can cause problems in humans like heart disease, lung cancer, and other diseases. Air is formed by a certain ratio of Oxygen, Carbon Dioxide, Argon, and others. When this proportion is disturbed, it can also cause humans health problems. EX: The ash clouds of volcanos can cause silicosis (lung impairment).
Answer: False
Explanation: Cuz its False, and its false, this message was approved by False.
It has to be used because you can not visually see them
Answer:
10 N
Explanation:
Use the equation W=Fd, where W is the work (in joules), F is the force (in newtons), and d is the distance (in meters).'
The reason is because the force due to the acceleration from gravity is constant. It's the same as the typical "dropping a bowling ball and feather (with no air resistance) at the same time". Gravity acts on all object with the same acceleration regardless of physical properties.