How close is the asteroid to Earth 2020? The asteroid, called 2020 HS7, is between 13 and 24 feet (4 to 8 meters) in size and passed Earth at a distance of 23,000 miles (36,400 kilometers) when it made its closest approach at 2:51 p.m. EDT (1851 GMT). What would NASA do if an asteroid? […]
Is oil and vinegar a heterogeneous mixture?
Is oil and vinegar a heterogeneous mixture? When oil and vinegar are mixed, they form a heterogeneous mixture with two layers, or phases. The oil phase floats on the water, or vinegar, phase. A heterogeneous mixture consists of two or more phases. At the beach, you realize that both ocean water and sand are mixtures. […]
Which statement best describes one way in which global winds affect weather and climate?
Which statement best describes one way in which global winds affect weather and climate? The correct answer is – B. Westerlies move warmer air toward the poles. The Westerlies are winds that move from the lower latitudes (thus from the warmer areas) towards the bigger latitudes (south and north towards the poles). What are the […]
What is the formation of the planets?
What is the formation of the planets? According to our current knowledge, planets are formed around a new star by condensing in a disc of molecular gas and dust, embedded within a larger molecular cloud. Condensation increases until they become giant planets, which are heated, then cleanse their orbits in the disc and possibly bend […]
What are the 7 areas of technology?
What are the 7 areas of technology? The Seven Areas of Technology Safety. The seven areas. Medical Technologies. Medical technology is used every day to save peoples’ lives. Agriculture and Biotechnology. Energy and Power Technologies. Communication Technology. Transportation Technology. Construction Technology. Inventions and Innovations. What are the 10 types of technology? Let’s have a look […]
Do vaccines come from cows?
Do vaccines come from cows? The word “vaccination”, coined by Jenner in 1796, is derived from the Latin adjective vaccinus, meaning “of or from the cow”. Once vaccinated, a patient develops antibodies that make them immune to cowpox, but they also develop immunity to the smallpox virus, or Variola virus….Cowpox. Cowpox virus Species: Cowpox virus […]
Which is better Armageddon or Deep Impact?
Which is better Armageddon or Deep Impact? However, there is still much debate between film lovers about which one is generally considered the better film. While Armageddon stands out as the fan favorite because it’s a more entertaining movie, a lot more people prefer the emotional depth that comes with Deep Impact. What made more […]
Is the bottom of the wave?
Is the bottom of the wave? The bottom of a wave is called the trough. The distance between two consecutive crests or two consecutive troughs is the wavelength. What happens when a deep water wave starts to feel the bottom? As a deep-water wave reaches shore, at the point where the depth of the water […]
How does the rain shadow effect affect climate?
How does the rain shadow effect affect climate? The mountains block most precipitation from falling in the valley, creating a dry climate where few plants grow. A rain shadow is a patch of land that has been forced to become a desert because mountain ranges blocked all plant-growing, rainy weather. On one side of the […]
What is negative control vs positive control?
What is negative control vs positive control? A negative control is a control group in an experiment that uses a treatment that isn’t expected to produce results. A positive control is a control group in an experiment that uses a treatment that is known to produce results. Who has the best drinking water in the […]