Answer:
Rotational Fans and a Doorknob
Explanation:
The doorknob since it is in motion do to you turning it and rotational fans since they generate mechanical energy do to their motion.
Answer:
Lifestyle, learning, and motivation.
Explanation:
I would say these because they are most important feelings to you, or another person. You believe you have your own lifestyle, you believe that you can learn, you feel like you want to motivate yourself, and help do things. These 3 things image how you feel, or believe. There are many things you can accomplish, and feel like going to do unless you try.
I would say A. Whooping Cough
Air, water, and land pollution affect negatively human health and natural populations. It is possible to reduce pollution by recycling and thus saving energy.
<h3>Pollution and environment</h3>
Pollution refers to the harmful introduction of nocive materials into the environment.
These nocive materials are known as pollutants and can alter the quality of air, water and soils.
An effective manner to reduce the emission of pollutants is by recycling materials, thereby saving energy and thus avoiding the release of more pollutants in the environment.
Learn more about pollution here:
brainly.com/question/1040743