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  • Science
    A barn owl typically preys on small mammals such as field voles, common shrews, wood mice, etc. The barn owl is highly adapted to hunt these mammals and is a very effective predator. The barn owl...

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  • Science
    The simple reason is gravity. Gravity is, in simple terms, the force with which one object attracts another object. Heavier objects exert a much larger gravitational pull on lighter objects as...

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  • Science
    This statement is probably false, but the question is a little ambiguous. If the statement intends "identical" to mean that the earthquakes are literally identical in all respects, then the...

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  • Science
    Rivers bring the dissolved minerals to the ocean. Over the course of their flow (over land), river water dissolves the minerals from the strata of the channel. Rivers also receive the water from a...

    Asked by deqa116 on via iOS

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  • Science
    Actually, polar bears are Arctic animals, not Antarctic. The largest carnivores on the Antarctic continent are seals and penguins. These animals feed on fish and are quite approachable since there...

    Asked by enotes on via web

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  • Science
    It is a good idea to regulate the trade in minerals originating from the strife-torn Democratic Republic of the Congo. As with Sierra Leone and other countries and regions wars in which were...

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  • Science
    Roller Coasters make use of the three laws of motion given by Newton. Newton's first law of motion states that a body at rest will continue to be at rest and a body in motion will stay in motion,...

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  • Science
    The scientific study of hair is known as Trichology. It is a branch of dermatology (the study of skin). In fact, trichology is not only the scientific study of hair but is also the scientific study...

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  • Science
    There are a number of differences between the processes of photosynthesis and respiration. Photosynthesis takes place in green plants, cyanobacteria, and algae. In this process, carbon dioxide and...

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  • Science
    Conservation of energy is one of the basic principles of physics. It has several different statements, which are all equivalent. Here's the definition of the law of conservation of energy from...

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  • Science
    Strictly speaking, bones aren't white—not gleaming white, at any rate. Living bones inside the body contain a number of pigmented chemicals. They are essential for the body's health and give our...

    Asked by enotes on via web

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  • Science
    pH measures how acidic/basic water is at any given time. This scale ranges from zero having the most acidity, to fourteen having the most alkalinity. The neutral pH is right in the middle (7) and...

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  • Science
    There are lots of different kinds of cells that exist; therefore, describing a single method by which every cell makes ATP is not possible. I believe that the question is likely asking about human...

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  • Science
    To understand this, we must first provide definitions for "disaster" and "hazard" in order to differentiate between the two. According to Merriam-Webster, there are a few definitions each for...

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  • Science
    Photosynthesis is the process through which chlorophyll-containing plants consume carbon dioxide and produce oxygen and food (in the form of sugars). This process takes place in the presence of...

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  • Science
    An element is only made out of one particular atom. If you were to look at the periodic table, every square is representing one element. So, sodium (Na) is just sodium. It is made up of only sodium...

    Asked by cjkuklok on via web

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  • Science
    When you take a sample of something—a dirt sample from an archaeological site, a sap sample from a tree, an ice sample from the Arctic—you are taking a statistical sample of the substance's...

    Asked by cjkuklok on via web

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  • Science
    I believe that this question is asking whether or not table sugar is a mixture. Table sugar, or sucrose, is not a mixture. It is a compound. Let me start with a pure substance and work up from...

    Asked by hannah4165 on via iOS

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  • Science
    DNA has four nitrogen bases. They are abbreviated A, T, C, and G. A and T can pair up, and C and G pair up. This is why they are referred to as base pairs. Human DNA has approximately 3 billion...

    Asked by user9107161 on via web

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  • Science
    Composition Water is composed of two hydrogen atoms and one oxygen atom and is expressed as H20. When hydrogen and oxygen bond in this combination, a single molecule of water is created. The...

    Asked by peace619 on via web

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  • Science
    If you check the internet for pulmonary vasoconstriction, every hit names the condition as hypoxic pulmonary vasoconstriction. That should clue you in to its major cause: hypoxia, or a lack of...

    Asked by lkdavis2009 on via web

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  • Science
    I'm unsure whether "how have their systems evolved" is asking for a likely method of evolution or is asking about what specific things an organism does to maintain homeostasis and equilibrium. If...

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  • Science
    Ozone depletion and climate change are two distinct processes whose relationship is still marked by uncertainty. However, certain facts about the two processes have been established. For instance,...

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  • Science
    In 2006, the International Astronomical Union (IAU) declared that Pluto was no longer considered a planet but, instead, a dwarf planet. After Pluto was discovered in 1930, debate continued about...

    Asked by picklerick on via web

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  • Science
    First, let us find the runner's velocity in miles per hour. The velocity v can be found as the distance by the time during which the distance was traveled: `v = 23.5/2 = 11.75` miles per hour...

    Asked by hanahawari on via iOS

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  • Science
    The best way to answer this question is to list out the characteristics of living things and then decide which of those characteristics an automobile doesn't have. The six characteristics of...

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  • Science
    Unicellular and multicellular organisms are similar in many ways, but the main difference comes in the form of their cellular makeup. Unicellular organisms are made up of only one cell (the prefix...

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  • Science
    Depending upon the type of desert, there are myriad forms of life, from microscopic organisms to 60-foot-tall saguaro cacti. Deserts can look very different from one another. In the deserts of the...

    Asked by morganisaboss123 on via iOS

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  • Science
    Atoms are the basic building blocks of matter. They are composed of positively charged particles (protons) and negatively charged particles (electrons). Many also have neutrally charged particles...

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  • Science
    Both of these are methods of reproduction in living things. Mitosis creates diploid cells, which are, under ideal situations, clones of one another. By doubling the DNA and splitting it when the...

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  • Science
    Prokaryotic cells do not have a nucleus. They do have genetic material, but it is not as organized. In the theory of evolution, prokaryotic cells are considered the beginning of life. Prokaryotic...

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  • Science
    First, let's define ions. Ions are electrically charged particles which are formed when atoms gain or lose electrons. These losses or gains result in a complete highest energy level. As a result,...

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  • Science
    Cephalization is the formation of a central nervous system in organisms. In most cases, this involves a brain and a spinal cord, with a system of nerves attached to this central system....

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  • Science
    Similarities: Both plant and animal cells have a nucleus and specialized organelles like a mitochondria, lysosomes, and a golgi apparatus. Plant and animal cells both have cell membranes....

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  • Science
    Forces are vectors, which means they have a magnitude (in other words, a "strength") and a direction. We usually represent them as arrows to indicate their direction, and sometimes the arrows are...

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  • Science
    Saturn is a fascinating planet and very mysterious even though scientists have been studying it closely for hundreds of years. Christiaan Huygens discovered the first known moon of Saturn in the...

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  • Science
    1) There might be various possible answers to this question. One way to return to your spaceship is by throwing the wrench in the direction opposite to the direction between your and the ship. This...

    Asked by user333480 on via web

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  • Science
    Iraq is rich in oil and natural gas deposits, so there has been minimal motivation on the part of the Iraqi government to pursue alternative sources of energy. Ideally, it would develop renewable...

    Asked by busypeople on via web

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  • Science
    Equinoxes and solstices happen due to the tilt of the Earth on its axis. Solstices occur when the Earth is at a maximum angle away from the Sun. During the summer solstice the sun is directly...

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  • Science
    1). Coordinate covalent bond: This is a type of covalent bond in which two atoms are sharing a pair of electrons, but both the electrons are coming from the same atom. This is as opposed to a...

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  • Science
    The force diagram below shows the forces acting on the sphere and the hanging object. The tension in the string is responsible for the angular acceleration of the sphere and the difference between...

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  • Science
    There are two quantities which effect the reading on the scale. The weight of the chain that has accumulated on the scale after falling a distance x and the impulse per unit time imparted by the...

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  • Science
    Use the definition of reactance to find the reactance of the inductor at any frequency. Then plug in the values and evaluate.

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  • Science
    Successive peaks are one-half period apart. See attached image below.

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  • Science
    I= qnAv relates the current I in a wire to the charge q of the charge carriers, the number density n of charge carriers, the cross-sectional area A of the wire, and the drift velocity v of the...

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  • Science
    Use Gauss's law relate the electric flux with the charge enclosed in the box. Since the electric flux is directly proportional to the net amount of enclosed charge in the box, if the flux is zero,...

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  • Science
    Lets say point P is a distance z above the central axis of the disk. We will integrate concentric rings of charge, with thickness dr, from the center of the disk to the edge. From symmetry, all...

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  • Science
    First, use the definition of λ to find the total charge of the line of charge. Integrate the line of change along the axis to find electric field. The line of charge is positive, and since the...

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  • Science
    Use the definition of rotational kinetic energy. First, to find Earths rotational KE use it when I is its moment of inertia with respect to Earth's axis of rotation. Next to find the orbital know...

    Asked by enotes on via web

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  • Science
    The diagram below shows the forces acting on both objects and the pulley. The direction of motion has been chosen to be the +x direction. By applying Newton’s second law of motion, obtain a...

    Asked by enotes on via web

    1 educator answer

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