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Which waterfall series is the largest on the planet?
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The main functions of epithelia are protection from the environment, coverage, secretion and excretion, absorption, and filtration.
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Carbohydrates are the most common type of organic compound.
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What is the term for rotation of a bone toward the midline of the body?
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"The Heart of the Matter..." According to the US Department of Health and Human Services, heart disease is the leading cause of untimely death in the United States. Heart disease is the leading cause of death in the united states.
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What is the most common type of cancer developed in children?
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SOHO The SOHO spacecraft began operation in early 1996, and we participated directly in this program through Don Hassler's role as co-investigator in the SUMER project for studying the Sun at UV and EUV wavelengths spectroscopically. The soho spacecraft first started to operate in 1996.
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Solids are categorized by the forces holding the individual atoms, ions, or molecules together.
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Cells are what make up the human body, often referred to as the bodies building blocks. Cells are the specialized building blocks of your body.
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The pleura that surrounds the lungs consists of two layers.
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What sort of digestion do animals engage in?
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When represented by a single letter, dominant alleles are represented by uppercase letters.
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At what time of life does menopause occur?
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The main difference between eukaryotic and prokaryotic cells is that eukaryotic cells have a nucleus.
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Where does groundwater primarily come from?
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Although it is the easiest to observe, color is not ideal as a sole way to identify minerals.
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Bronze is an alloy of copper and tin.
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What type of radio waves exist in the 540 to 1600 khz frequency range?
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The climate of an area is the average weather conditions in a region over a long period of time. Climate is the long-term average of weather in a particular spot.
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Female gender typically experiences growth spurts first.
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If an electron is added an anion is formed. A(n) anion is formed when an element gains one or more electrons.
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energy of activation The minimum amount of energy required for a given reaction to occur; The amount of energy required to begin a chemical reaction is known as the activation energy.
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String frequency is controlled by adjusting tension for tuning and by manipulating length for performance. Stringed instruments can help show the relationship between tension and frequencies in strings.
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What is controlled by both genes and experiences in a given envionment?
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Metallic solids are composed entirely of metallic atoms.
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The best explanation for how air masses move across the united states is that the prevailing westerlies move air masses from west to east across the united states but may be deflected by the jet stream.
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How do reptiles typically reproduce?
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Ocean waves are generated by the force of wind or tides. Most ocean waves are caused by wind.
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A lipid is one of a highly diverse group of compounds made up mostly of hydrocarbons.
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What bond is a force of attraction between ions and atoms?
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What encloses the border of animal cells?
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In naming ternary compounds, which type of particle is stated first?
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What occurs before the endometrium thickens in estrous cycles?
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Wilting occurs when water lost by transpiration is not replaced by absorbtion from room.
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Growth and Development of Bones Early in the development of a human fetus, the skeleton is made entirely of cartilage. Early in the development of a human fetus, the skeleton is made entirely of cartilage.
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Uneven heating of the atmosphere form weather patterns.
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Trichomoniasis is cause by what type of pathogen?
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What are the newest, outer layers of secondary xylem called?
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Gas bubble holes helps pumice float in water.
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A sex-linked trait is one whose allele is located on one of the sex chromosomes, usually the X for autosomal traits. Sex-linked traits are located on genes on sex chromosomes.
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Dispersion is controlled by diffusion, which is the movement from areas of high to low concentrations, and by mixing, which is the movement of air in the space. Diffusion is the term for the movement of molecules from an area of high concentration to an area of low concentration.
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A(n) exoplanet is often discovered because it causes a star to move or to dim.
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All members of a species living together form a(n) population.
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Scientists will use data collected during the collisions to explore the particles known as quarks and gluons that make up protons and neutrons. Protons and neutrons are made of quarks, which are fundamental particles of matter.
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Which human body system system moves nutrients and other substances throughout the body?
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What is defined as the velocity of the object at a given moment?
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Lithium has three electrons.
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Ocean waves are mainly caused by wind.
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Water leaves ponds and lakes through evaporation and also as what?
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There are four types of bosons.
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The 'counting' instrument geiger counter is used to measure radioactivity.
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What trimester is associated with rapid fetal growth?
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An acorn growing into an adult tree will take the longest time to observe.
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Not surprisingly, controlling flight is the function of the most developed part of a bird's brain.
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ORGANELLE An organelle is membrane-bound structure within a plant's cell (and all eukaryotic cells) where specialized metabolic tasks occur. Eukaryotic cells contain organelles that possess special functions.
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The main functions of epithelia are protection from the environment, coverage, secretion and excretion, absorption, and this?
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If two populations do not mate and produce fertile offspring, separate species result.
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Since the electric field lines point radially away from the charge, they are perpendicular to equipotential lines.
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Binary compounds of carbon with less electronegative elements are called what?
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The energy that is stored in matter is called potential.
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The fetal period lasts approximately 30 weeks weeks.
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What is a compound in which all of the atoms are connected to one another by covalent bonds?
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The surface of the sun is much hotter than almost anything on earth.
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Sexual reproduction has the potential to produce tremendous genetic variation in offspring. Sexual reproduction results in offspring that are generally all genetically different.
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As the population grows, competition for food grows.
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What shape are the eight sides of an octahedra?
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Seamounts that rise above the water surface are called islands.
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Like all tetrapods except birds and mammals, frogs possess a heart with three chambers.
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What word do get from the arabic al-qili, meaning “ashes of the saltwort plant from salt marshes”?
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Am radio waves exist in the 540 to 1600 khz frequency range.
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The sun and the moon appear to be about the same size in the sky because the moon is smaller in diameter and is closer to earth than the sun.
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The sun and the moon appear to be about the same size in the sky because the moon is smaller in diameter and is closer to earth than the sun.
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Which side of the heart does blood from the lungs enter into?
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This is where the oxygen and nutrients from the CAPILLARIES go out into the tissues which need them, and in return, carbon dioxide (CO2) and waste products are put in the blood to be carried back to the lung and be exhaled or removed from the body in another way. In the body, oxygen is used by cells of the body’s tissues and carbon dioxide is produced as a waste product.
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What do we call the only light that people can see?
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Primary pollutants enter the air directly.
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What results when the water vapor from a hot shower contacts the cooler surface of a mirror?
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The heterotroph eats only or mainly what?
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Instruments that measure the angle of the slope of a volcano are called tilt meters.
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Which of the following substances can be separated into several elements?
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Seed dormancy ensures that seeds germinate only when conditions for seedling survival are optimal.
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The water in some springs are hot because they're heated by what?
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Which force causes rocks to roll downhill?
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Although they differ vastly in hardness, pencil lead and diamonds both contain what element?
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Reproduction: Because it is a flowered plant, it reproduces with seeds and pollen. A method of sexual reproduction that occurs in plants can be described as seeds are produced from the flower of the plant.
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Nonmetals have the highest attraction for electrons.
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Glucocorticoids and mineralocorticoids are the two main types of what in humans?
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What is the only continent without amphibians?
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Day and night are caused by the spinning (rotation) of the earth. There are fewer than 24 hours of daylight in alaska during each day in april because earth’s rotation causes both day and night.
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Reducing the number of molecules in a rigid container causes pressure to decrease.
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What is a renewable resource that can take thousand of years to form?
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The gametophyte produces haploid gametes by mitosis cell division, which unite to form diploid zygote that develops into a sporophyte. The haploid gametophyte produces gametes through mitosis.
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Applying a pressure greater than the osmotic pressure of a solution will do what?
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In which type of cells are most organelles not found?
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There is not a single example you can give me of macro-evolution Macroevolution is, by definition, any evolutionary process which results in the appearance of a new species. The term macroevolution refers to larger evolutionary changes that result in new species.
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Nonvascular plants are the only plants with a life cycle in which the gametophyte generation is dominant.
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Seed dormancy ensures that seeds germinate only when conditions for seedling survival are optimal.
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The chromosomes duplicate in the interphase phase.
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Birds evolved from reptile ancestors.
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Mammal ears are relatively complex, the middle ear containing three bones, as opposed to only one bone in the middle ear of reptiles and birds. The mammalian middle ear has three bones.
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