Is the last breath an inhale or exhale? It’s said that we live our lives between two breaths. Our very first inhale and our everlasting final exhale. Can you drink water while underwater? Sea Water isn’t potable and should under no circumstances be consumed, given its salt content… so when scuba divers go diving, it’s […]
Are lift and drag always perpendicular?
Are lift and drag always perpendicular? The lift and drag forces are the direct result of the relationship between the relative wind and the aircraft. The lift force always acts perpendicular to the relative wind and the drag force always acts parallel and in the same direction as the relative wind. Does induced drag increase […]
What is meant by planetary motion?
What is meant by planetary motion? Kepler’s three laws of planetary motion can be stated as follows: (1) All planets move about the Sun in elliptical orbits, having the Sun as one of the foci. (2) A radius vector joining any planet to the Sun sweeps out equal areas in equal lengths of time. What […]
What is a serious concern of fires burning on a steep slope?
What is a serious concern of fires burning on a steep slope? Although fire doesn’t usually move downhill quickly, one serious concern about fires burning down steep slopes is the possibility of burning material rolling downhill, which can ignite fuels below starting another fire. What 3 weather factors are most important to firefighters? Weather conditions […]
Do you turn on headlights in rain?
Do you turn on headlights in rain? California. Headlights must be turned on when it’s raining, foggy, snowing, or even cloudy. If you must use your windshield wipers, you are required to have your headlights on. Headlights must be in use from 30 minutes after sunset until 30 minutes before sunrise. When should I use […]
Does the scientific method have to be done in order?
Does the scientific method have to be done in order? There are four basic steps involved with the scientific method. The usual steps include observation, hypothesis, experiment, and conclusion. The steps may not always be completed in the same order. Scientists are always free to change or write a new hypothesis and start the four […]
What is difference between zygote and embryo?
What is difference between zygote and embryo? In general, the zygote is the stage that is succeeded by an embryo….Difference between and Zygote and Embryo. Zygote Embryo The term zygote is from Greek word ‘zygotos’ which means to ‘join’ The term embryo is from Latin work ’embryum’ which means ‘that which grows’ Zygote is unicellular […]
What is the purpose of a tennis serve?
What is a star form called?
What is a star form called? From Wikipedia, the free encyclopedia. Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as “stellar nurseries” or “star-forming regions”, collapse and form stars. Why do molecular clouds exist? Molecular clouds are so important because they are the raw material […]