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Biology
Which phase of matter consists of ionized particles that move independently of each other? a. gas b. liquid c. plasma d. solid
Annie Barnes
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Which best differentiates between chemical digestion and mechanical digestion ?
Melissa Norris
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According to the theory of evolution, birds' feathers evolved from. a. reptile scales b. gill slits. c. fish fins. d. gill arches.
Ramon Kelly
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It is important that food servers are trained to know food ingredients because:
Blair Lewis
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Tobacco can damage the immune system of a person with aids. please select the best answer from the choices provided. t f
Kaitlin Dean
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A river’s ____ is the sediment and other deposits picked up as a result of abrasion. a. slope c. flow b. volume d. load
Ross Pratt
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What is the property that is most similar among all elements across one whole period called? the category the atomic mass the chemical properties the electrical conductivity
Samantha Barber
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Identify each of the cell structures indicated in figure 7-7 and explain its role in the cell. Be sure to indicate the letter that corresponds with each structure Download jpg
Kevin Sutter
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The main excretory organs of insects and spiders are .
Mindee Nelson
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Which of the following would most likely be a cause of primary succession? a. farming b. overhunting c. volcano d. defoliation
Caroline Campbell
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Which shotgun choke is best for hunting a large, slow bird, such as a turkey? cylinder (unchoked)?
Annie Barnes
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In the structure of DNA, which nucleotide always pairs with adenine?
Melissa Norris
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Nomadic societies negatively impact the environment more than industrial societies
Deborah Edwards
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Why is heartwood darker in color than sapwood? A. Heartwood is closer to the center of the stem; sapwood is away from the center of the stem B. Heartwood does not conduct water; sapwood is active in fluid transport C. Heartwood contains xylem tissue; sapwood contains phloem tissue
Kathy Robinson
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Which of the following statements about the compound HCI is true? a. The physical and chemical properties of HCI are different from those of H2 and CI2. b. Only the physical properties of HCI are different from those of H2 and CI2. c. Only the chemical properties of HCI are different from those of H2 and CI2. d. The physical and chemical properties of HCI are the same are those of H2 and CI2.
Roger Moore
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Which structure allows a virus to recognize and attach to receptors on the host cell? cell wall capsid protein cell membrane nucleic acid
Brandon Scott
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A meander is best described as a A. depression for swimming. B. straight streamline into a lake. C. bend or curve in a stream channel. D. pond located streamside.
Jodi Brooks
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Which of a cell's organelles releases energy stored in food? A. Chloroplasts B. Mitochondria C. ER (Endoplasmic Reticulum) D. Lysosomes
Ross Pratt
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The exploration of the mid-Cayman rise is intended to discover _______. a. what life may have been like before the evolution of photosynthesis b. the origins of photosynthesis c. life in shallow, coastal regions d. the chemical composition of undersea mountains
Heather Maxwell
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Which statement about supercell storms is false? A. A supercell storm can produce some of the most violent weather conditions on Earth. B. A supercell storm is characterized by rotating updrafts. C. A supercell storm occurs only during the winter months.
Whitney Matthews
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Which of the following winds are found in the upper troposphere? a. Jet streams b. Trade winds c. Surface winds d. Coriolis winds
Ashley Howard
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Aristotle is known for which contribution to taxonomy?
Ashley Howard
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Which of the following is not a characteristic of rivers and streams? a. vary in size b. mainly saltwater c. part of the water cycle d. flow toward other bodies of water
Kathy Robinson
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Which of the following would not be considered a renewable resource? a. oxygen b. natural gas c. freshwater d. trees
Chelsea Hayes
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How many different genes are contributing to the wingless phenotype in these mutant fly strains?
Kathy Robinson
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Entropy is greater at higher trophic levels than at lower levels true false
Donald Ward
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Naturalistic observation is commonly used for anthropology studies. true or false
Victoria Fowler
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What is the useful product of glycolysis for the cell? A. NAD+ B. pyruvate C. lactic acid D. ethyl alcohol
Melissa Norris
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How do antifungal drugs such as miconazole and amphotericin b function? view available hint(s) how do antifungal drugs such as miconazole and amphotericin b function? by inhibiting cell wall synthesis by interfering with the processes of dna replication and transcription by disrupting the plasma membrane?
Dana Keller
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What conducts electric current in solutions? elements electrolytes atoms molecules
Dana Keller
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___________ may be the cause of impulsive aggression, which can be treated with _________.
Curtis Rhodes
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The longest wavelength within the visible spectrum is light
Jeffrey Rodriguez
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To prevent contamination deliveries should be inspected and stored away immediately true or false
Craig Stewart
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What transport process is pictured? A) exocytosis B) cotransport C) osmosis D) diffusion Download png
Caroline Campbell
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Phosphorus is contained in _______. a. living organisms b. soil c. bodies of water d. all of the above
Alexa Spicer
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What is the main function of mesophyll tissue of leaves? A.) Conduction of substances B.) Regulation of opening and closing of stomata C.) Photosynthesis
Samantha Barber
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Why are cells considered a necessary precursor to life?
Carlton Burgess
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Which phrase best describes a gene? (1) a segment of a DNA molecule found only in the body cells of an organism (2) a segment of a DNA molecule found only in the gametes of an organism (3) a segment of a DNA molecule that contains the instructions for producing a trait in an organism (4) a segment of a DNA molecule that contains the instructions for producing all the characteristics of an organism
Tara Andrews
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