Why do I cry when I yawn? Our eyes need to stay wet, so these glands produce tears all the time to slowly release onto our eyes. When we yawn, our face muscle contract and put pressure on the tear glands. This causes them to release excess tears. Together, this means that your eyes water […]
How do you prevent Colorado potato beetles?
How do you prevent Colorado potato beetles? There are several plants that deter potato beetles. Try planting at least one or two of them alongside or even interplanted with your potatoes. A few good options include catnip, tansy, and sage. What is the life cycle of the Colorado potato beetle? The life cycle of the […]
Who invented the lever?
Who invented the lever? Archimedes What is a class 1 lever? In a Class One Lever, the Fulcrum is located between the Load and the Force. The closer the Load is to the Fulcrum, the easier it is to lift (increased mechanical advantage). Examples include see-saws, crow bars, hammer claws, scissors, pliers, and boat oars. […]
Are self-driving cars a good idea?
Are self-driving cars a good idea? Self-driving cars could be of huge benefit to the environment. Part of the reason cars cause so much air pollution is traffic gridlock in highly congested areas. The efficiency of self-driving cars, in addition to the possibility of a future without any gridlock or traffic stops, will cut down […]
What are the principles of disaster management?
What are the principles of disaster management? The ethical principles applied during disasters: (i) Humanitarian assistance; (ii) Information and participation during disasters; (iii) Compulsory evacuation of populations; (iv) Respect of dignity; (v) Respect of persons; (vi) Emergency assistance for the most vulnerable persons; (vii) The importance of rescue … What are the importance of disaster […]
How do you distinguish different types of chemical bonds?
How do you distinguish different types of chemical bonds? Chemical bonds include covalent, polar covalent, and ionic bonds. Atoms with relatively similar electronegativities share electrons between them and are connected by covalent bonds. Atoms with large differences in electronegativity transfer electrons to form ions. The ions then are attracted to each other. Do double bonds […]
Is torque a type of moment?
Do you weigh more on a full moon?
How does life on earth depends on the process of photosynthesis?
How does life on earth depends on the process of photosynthesis? Most life on Earth depends on photosynthesis. The process is carried out by plants, algae, and some types of bacteria, which capture energy from sunlight to produce oxygen (O2) and chemical energy stored in glucose (a sugar). What is the important of photosynthesis? It’s […]