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If the sides of a cell double in length, its surface area becomes _____ times as large

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Which substance from the light dependent is a source for the light reactions of photosynthesis?

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Lenses correct vision by__________. bending light so that it focuses on the retina reflecting light away from the retina bending the cornea reflecting light toward the retina

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A friend tells you he read somewhere that rotting garbage can turn into maggots, which are fly larvae, and the maggots then can grow into adult flies. What part of the cell theory could you use to refute his claim?

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Nonrandom mating tends to _______ the frequencies of ______ genotypes. increase; homozygous

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I just need an advantage of wind energy and a disadvantage of hydroelectric energy.

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What’s the difference between mendelian and non mendelian genetics

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Which of the following is the best definition of longitudinal wave? In a longitudinal wave, particle displacement is above the direction of wave motion. In a longitudinal wave, particle displacement is opposite to the direction of wave motion. In a longitudinal wave, particle displacement is parallel to the direction of wave motion. In a longitudinal wave, particle displacement is perpendicular to the direction of wave motion.

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When given a sample experiment, can you identify the independent variable, the dependent variable, and constants? Can you identify a control group?

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A statement describing both the requirements that must be met by a product or process and the ways in which satisfaction of the requirements will be measured is called a/an A. Standard specifications B.a standard recommendation C. ASTM test D. Established procedure

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Take a deep breath. Where does that air you breath in go? It goes into your lungs, but that’s not the end! Your circulatory system helps to move the oxygen to all of your cells. What carries the oxygen to every cell in your body? A) blood B) food C) heart D) veins

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. Panthalassa was ______. the supercontinent that formed before Pangaea one of the continents that formed from Pangaea the large ocean that surrounded Pangaea a body of water cut into the eastern edge of Pangaea

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Cell drinking; cell eating. Both are modeled here and are examples of A) osmosis. B) diffusion. C) endocytosis. D) facilitated transport.

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Which of the following statements about the Coriolis effect is correct? Question 16 options: The Coriolis effect does not affect wind direction. The Coriolis effect works at right angles to the direction of airflow. The Coriolis effect is weakest at the poles. A stronger wind will be less impacted by the Coriolis effect. Save

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Cells require glucose as a source of energy to carry out life processes. Large molecules like glucose cross the cell’s plasma membrane by A) being pumped through ion channels. B) active transport through protein channels. C) passive diffusion through the lipid bilayer. D) facilitated diffusion through protein channels.

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DNA plays a major role in heredity, composing the genes that are passed down from parent to offspring. It also plays a major role in the everyday workings of your cells. It does this by creating molecules, such as enzymes, that regulate cell functions. These enzymes belong to a larger class of molecules known as A) RNA. B) proteins. C) ion pumps. D) amino acids.

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On what criteria is the Fujita scale for Tornadoes based? Question 11 options: Duration of storm Wind Velocity Storm surge height Amount of Destruction

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Non-coastal cities face what kind of danger from hurricanes? Question 10 options: Lightening Flooding High winds Storm surge Save

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What time of year is it most effective to broadcast tornado safety public safety announcements? Question 9 options: Summer Fall Spring Winter Save

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All cells have _____. an outer membrane or plasma membrane cytoplasm a cell wall a nucleus protoplasm large vacuoles chloroplasts

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What is The two main types of ocean currents ? A) gyres and the Gulf Stream B) trade winds and westerlies C) deep currents and conveyor belt D) surface currents and deep currents

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In Edward Tolman’s experiments, the group of rats that ended up with the best results was the one that had __________. A. experienced continuous reinforcement B. received no reinforcement at all C. received reinforcement after eleven days D. received reinforcement for the first two days

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Seismic waves and water can weaken soil, causing it to move. This is called _____. flooding liquefaction seismic shifting earthquake erosion

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Which of the following statements is true? Tsunamis are caused by seismic waves. Earthquakes create mountain chains. Erosion is always a destructive force. A gradual cooling of the interior of a volcano causes volcanic eruptions.

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On a particular day, Denali had a temperature of -23°c at its peak and 13°c at its base. what could be the reason for this temperature difference? A. temperature increases with an increase in altitude.B. temperature decreases with an increase in altitude.C. the base is cold to the gulf of Alaska.D. the mountain receives lake-effect snow.

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In some areas of the world, like California and Japan, earthquakes are a common occurrence. How can this best be explained? A) The strong ocean currents are undermining both areas causing earthquakes. Eliminate B) Both areas are subjected to strong ocean wind and waves that causes earthquakes. C) Both areas are located near the edge of the Pacific Ocean, the unstable sand causes earthquakes. D) Both areas are on the boundary of active plate margins, the motion of the plates causes earthquakes.

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Which of the following explains how the processes involved in meiosis increase variation in a species? A. The gametes of asexually-reproducing organisms automatically reshuffle during meiosis, creating genetic variation in their offspring. B. The gametes of asexually-reproducing organisms undergoing meiosis always contain mutations, creating genetic variation in their offspring. C. The gametes of sexually-reproducing organisms always mutate during meiosis, creating genetic variation in their offspring. D. The gametes of sexually-reproducing organisms reshuffle through crossing over and independent assortment during meiosis, creating genetic variation in their offspring.

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Sand is made of tiny pieces of rock that have been worn down by wind and water. Explain why the formation of sand is a physical change.

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Which statements describe oceanic crust? Select the two correct answers. A. It is made of all types of rocks. B. Its age ranges from very young to more than 4 billion years old. C. It is between 25 and 70 km thick. D. It is formed at zones of volcanic activity on the ocean floor. E. It contains silicate minerals high in iron and magnesium.

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Which of the following does not represent an impact of recreational activity on springs? a. destruction of native vegetation b. wildlife disruption c. decreased soil erosion d. water pollution

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