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  • What type of simple machine is present in bicycles?
    What type of simple machine is present in bicycles?
    There are three correct answers to this question, as bicycles include three types of simple machines. The first is a lever, which consists of a beam that is pivoted at a fixed hinge. The pedals on bikes are levers. The second simple machine included in a motorcycle is a pulley, which supports movements and changes in direction. The chains and gears on a bike are the pulleys. The third simple machine is the wheel and axle, which transfers force between each other. On a motorcycle, the front and back wheels act as the wheel and axle. Being that bikes have three simple machines, they are known as compound machines.

  • What is the study of stars called?
    What is the study of stars called?
    Astronomy involves the study of stars, sun, moon, comets, planets, gas, galaxies, gas, dust and other non- earthly bodies. Therefore, the study of stars is known as astronomy. Scientists that studies these non earthly bodies are called astronomers. These scientists are also responsible for the discovery of the planets, stars, asteroids and other extraterrestrial objects. The term astronomy has its origin in a Greek word known as “astron” which means stars. Over the years, astronomers have assembled star catalogues that identify the known stars and provide standardized stellar designations. Hope you find this information useful.

  • What is the role of the xylem in the transport system of plants?
    What is the role of the xylem in the transport system of plants?
    The correct answer is option 1. The role of xylem in the transport system of plants is to carry water and dissolved minerals from the roots, up the stem and leaves. Xylem is one of the transport system of plants, the other being phloem. The role of phloem, the other transport system in plant is to carry glucose and other nutrients such as amino acids from the leaves to all other parts of the plants where it is used and store for future use. The movement in phloem is bidirectional but the reverse is the case in xylem. Hope this helps.

  • What is the name of the instrument that measures temperature?
    What is the name of the instrument that measures temperature?
    A thermometer measures a person/s body temperature. This might be under the tongue or under the arm in the armpit/ Don't get thermometer mixed up with a tempometer. Best write it as tempo meter, two words, and in fact this is correct. A tempo meter checks the speed, or tempo, of a piece of music. Tempo just means time. Hydrometers measure the relative density of liquids - something much more advanced in your study of science. A gyrometer indicates continuously the number of revolutions of a rotating axis. Advanced, yes, but a gyroscope is great fun to play with and fascinating to watch. it will help you understand this aspect of physics.

  • Which is true during inhalation?
    Which is true during inhalation?
    The external intercostal muscle constructThe rib cage move upwards and inwardsThe diapharm constructs and move downThe volime of thoracic cavity increasesAir pressure in the thoracic cavity decreasesAir pressure in the atmosphere increasesThe air breathe in

  • Which instrument is used to measure temperature?
    Which instrument is used to measure temperature?
    The answer to this is B. The thermometer is mainly used in order to measure the temperature of different objects. People normally use the thermometer to check their current temperature. A temperature that is above 37 is considered to be abnormal. Slightly higher temperatures than 37 Degrees would mean slight fever. People who have a temperature of 40 should get themselves checked immediately. The thermometer can also be used to measure different chemicals and even the surroundings. There are still some traditional thermometers available but most people prefer the digital thermometers more right now because they are easier to use. Just remember that there are some thermometers that are more accurate as compared to the others.

  • What is the lightest halogen?
    What is the lightest halogen?
    A is the answer to this question. There are a lot of people who have heard about the halogen Fluorine but they do not know what this is. This element is known to be highly toxic. You will know what this is based on its appearance which is usually pale yellow. This is an electronegative element which also means that it can be very reactive. It has been tested to react with the different elements and in almost all cases, there were reactions that took place. The only elements that it will not react are neon and helium. Some similarities of fluorine to fluoride have made people concerned about the safety and use of fluoride. This can only become dangerous in very large quantities.

  • What does the medical term dolent mean?
    What does the medical term dolent mean?
    The medical term dolent also means pain which means that A is the answer to this question. There are some people who are brought to the hospital because they are experiencing pain. There are also some who are already in the hospital and they are undergoing pain. Some have a high tolerance for pain so even if they are extremely uncomfortable, they try their best to hide it. Some have a low tolerance for pain so even if the pain is not too severe, they are already very affected. There are some medical terms that are used so that it will not cause certain triggers in patients. Some patients may just hear the word pain and already start feeling pain even if there is no obvious cause.

  • Which picture of the Moon shows the new moon phase?
    Which picture of the Moon shows the new moon phase?
    The new moon, which is depicted in block C, is situated between the earth and the sun, and the entire illumined portion of the moon is on the back side of the moon, which is the half that we as human beings can not see. The moon phases occur in the order that follows: New moon, full moon, first and third quarter, and all the stages in between. Exactly one half of the moon is glowing because it has been illuminated by the sun. Most people are curious regarding the difference between the new and full moons. The new moon is dark and is not illuminated fully by the sun; hence, when the moon is full and glowing, it appears to be brighter in the sky.

  • Which of these creatures are real?
    Which of these creatures are real?
    An Antlion is more of a realistic answer especially because it's real

  • What is the proper structure of a hypothesis?
    What is the proper structure of a hypothesis?
    If I.... I think.... because....

  • How many weeks are there in a year?
    How many weeks are there in a year?
    One year has approximatly 52 weeks. One calendar common year has 365 days: 1 common year = 365 days = (365 days) / (7 days/week) = 52.143 weeks = 52 weeks + 1 day. One calendar leap year occures every 4 years, except for years that are divisable by 100 and not divisable by 400. One calendar leap year has 366 days, when February has 29 days: 1 leap year = 366 days = (366 days) / (7 days/week) = 52.286 weeks = 52 weeks + 2 days. This is viable to anyone, thus we can calculate easily the days, hours, weeks, seconds, and etc.

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