What is the relationship between valence electrons and bonding? Valence electrons are outer shell electrons with an atom and can participate in the formation of chemical bonds. In single covalent bonds, typically both atoms in the bond contribute one valence electron in order to form a shared pair. The ground state of an atom is […]
What is the reason that air tanks must be drained?
What is the reason that air tanks must be drained? To prevent too much moisture and oil from collecting, the air tanks must be drained regularly. Air pressure gauges indicate air pressure in the vehicle’s dual service (primary and secondary) air tanks. Safety valves prevent over-pressure of the air brake system. Why must air tanks […]
What is the best time of night to stargaze?
What are the harmful effects of photochemical smog?
What are the harmful effects of photochemical smog? Harmful effects of photochemical smog: It corrode metals, stones, rubber and painted surface. It causes serious health problems to senior citizens, children and people with heart and lung problems which lead to emphysema, bronchitis, asthma. What are the negative environmental and health impacts of smog? Smog can […]
Which graph shows the motion of the car?
Which graph shows the motion of the car? The speed-time graph represents the motion of a car travelling along a straight level road. What is secondary motion SSM? Secondary motion is totally event-dependent. Tertiary motion is especially fast object motion. Who decides the agenda for a meeting? Who Should Create the Meeting Agenda? Board meeting […]
What are five ways to make an observation?
What are five ways to make an observation? Explain that an observation is information we gather about something by using our senses. List the five senses of sight, hearing, taste, touch, and smell. Use their senses to make observations about things in the classroom. What are the direct observation methods? Observations can also be either […]
What type of object a chair a painting and a shoe are?
What are long waves?
What are long waves? Long waves, also called infragravity waves, have a wave period of 30 seconds to several minutes. Astronomical tides represent one important example of long waves. Long waves can occur in shallow water, such as the Chesapeake Bay. But long waves are not limited to what is normally considered shallow water. What […]
What is another word for isotope?
What is another word for isotope? What is another word for isotope? element form variant version What is the correct statement about isotopes? Isotopes of only heavier elements are radioactive in nature as they have large difference in the number of protons and neutrons. Thus, we can conclude that the statement isotopes of the same […]
What is the correct pathway for vision?
What is the correct pathway for vision? The visual pathway consists of the retina, optic nerves, optic chiasm, optic tracts, lateral geniculate bodies, optic radiations, and visual cortex. The pathway is, effectively, part of the central nervous system because the retinae have their embryological origins in extensions of the diencephalon. Which controls the amount of […]