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Just like surprise parties you never know what your gonna expect and just like outside everything and anything can be unexpected but just like a flame it could only last so long but if you had to walk down the road and look in a pulled over car and see the car moving what would you think is going on?

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NacL is dissolved in water so that the concentration is initially higher in one part of the water the other,______ will occur so that there is a net

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For what is the endocrine system responsible? breathing maintaining homeostasis ridding of waste protecting from invaders

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For what is the endocrine system responsible? breathing maintaining homeostasis ridding of waste protecting from invaders

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He diagram shows the general structure of a lipid, which consists of two main parts.

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What system does the kidney disease affect

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What is responsible for identifying foreign invaders and remains in the system for a long period of time? PLEASE ANSWER QUICK

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Membrane proteins are among the most important proteins biologically because they allow cells to communicate with their environments. In humans, they determine whether the immune system recognizes the cell as foreign or not and they are the targets of most __________. A) drugs B) gases C) sugars D) water

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A marine biologist measured the amount of heat radiated from an aquarium over the course of an experiment. He concludes that the aquarium cannot be considered an isolated system. What could he do to make the aquarium an isolated system? A.He could add a heating element to the aquarium to compensate for heat lost through radiation. B.He could add insulation to the aquarium so that it does not exchange energy with its surroundings. C.He could add light to the aquarium so that the system’s total energy change remains the same. D.He could add living organisms to the aquarium so that natural heat is generated by the system.

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An atom has at least one positive proton and at least one negative electron. Which of the following is true about the protons and electrons in an atom? Protons and electrons are mixed together in a cloud. Protons and electrons are stuck together in neutral pairs. Protons and electrons orbit close together around a central nucleus. Protons and electrons are far apart with lots of empty space in between.

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PLEASE HELP ASAP!!!!!!!!!!!!! WILL FAN AND MEDAL!!!!!!!!!!!! What are the 3 subatomic particles? Where are they located? What is their charge?

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Explain how eutrophication can change an aquatic ecosystem into a land ecosystem?

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What was Pangaea? When did it form and when did it break apart? it was A. a large ocean basin that opened in the Triassic and closed in the Paleocene B. the supercontinent that formed in the late paleozoic and broke apart in mesozoic. C. the huge mountain range formed when africa pushed northward into europe in eocene time. D. a large, Precambrian shield area of Africa and South America that broke apart early in the Proterozoic

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Advantages of both the nervous and endocrine system

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The hydrosphere is comprised of _____. a. -land masses, such as mountains and hills b. -gases, such as hydrogen and nitrogen c. -microscopic particles found in living organisms d. -bodies of water, such as oceans and lakes

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According to the condensation theory, the most important factor for the formation of our planets was _____. a-the gravitational pull of the Sun b-the interstellar dust attracting heat away from the protosun c-the process of nuclear fusion d-the nebular cloud condensing

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the boreal forest and river valley depict in figure 4-6 were swept by fire 20 years ago. does this illustration show an earlier or later stage of succession? which kind of succession has taken place? Explain what will happen in this ecosystem if there are no more disturbances.

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Herbie is a typical high school student. He enjoys school, friends, sports, and his motorcycle. Unfortunately he wasn’t wearing his helmet and had a serious accident that resulted in a brain injury. How do will it affect the following with his ability to perform certain activities? A. Occipital lobe B. Hippocampus C. Hypothalamus D. Amygdala E. broncos area F. Wernicke’s area

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1. Which factor has greatest importance in determining the characteristics of an aquatic ecosystem? (1 point) A. day length water depth B. angle of sunlight C. average precipitation 2. Which is one way that a freshwater wetland differs from a lake or pond? (1 point) A. Water flows in a lake or pond but never flows in a wetland. B. Wetlands are nesting areas for birds, but lakes and ponds are not. C. Water does not always cover a wetland as it does a lake or pond. D. Wetlands are salty, but lakes and ponds are fresh.

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. This ecosystem is common in central and northern Asia. Flora include mosses, grasslands, and hardwoods. Animals of this ecosystem include Siberian tigers, antelopes, sheep, and snow leopards. What ecosystem is described in the paragraph above?

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From June to September 1988, 51 different wildfires started in Yellowstone Park. By the end of the summer, approximately 794,000 acres of the park were affected, which included about 24 percent of the whitebark pine forest population, many lodgepole pine stands, and a variety of other plants and animals. Which type of change was seen in the ecosystems that were affected by the 1988 fires in Yellowstone Park? primary succession secondary succession a climax community species extinction

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Base level is _____. A. the source from which the stream flows B. the lowest point to which a stream can erode its channel C. any part of the stream that is below sea level D. the elevation of a stream’s largest tributary

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Select all that apply. What evidence suggests the continents were once all together but then drifted apart? Mountain ranges in North America match up with those along the European coastline. Similar fossils of plants and animals are found on widely separated continents. Remains of tropical plants found in Antarctica. Matching jig-saw puzzle coastlines, particularly with the west coast of Africa and east coast of South America.

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Matter is moved through the Earth by the interaction of Earth’s systems. True or False

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Eugene is studying the levels of structural organization of an animal’s body. Which level would describe a dog’s eye? organ tissue organism organ system

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Which of the following best describes plasma? a group of super cooled particles with very low kinetic energy an ionized group of particles with low kinetic energy a gas that becomes a solid without first becoming a liquid an electrically charged gas with very high kinetic energy

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A biology class wants to perform an experiment to investigate the effect of different colors of light on germination. they wrap clear glass jars with green, yellow, red and clear cellophane and plant three seeds in each one. what part do the three colors of cellophane play in this experiment?

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Cells contain specialized parts, known as organelles, to perform specific tasks, such as waste disposal, protein building, and movement. Even though these basic cellular functions occur in all cells, A. all cells do not perform the same exact functions in multicellular organisms. B. all cells do not perform the same exact functions in unicellular organisms. C.the cellular components are not at all related to the overall function of the cell. D.the cells in unicellular organisms and all the cells in multicellular organisms must perform the same functions.

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The brain is the main organ of the: circulatory system nervous system digestive system excretory system

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If the number of hydrogen ions being pumped into the thylakoid is rapidly decreasing, what is most likely happening? A. More water is being absorbed into roots. B. More sunlight is being used in photosystem I. C. Less sunlight is being used by photosystem II. D. Less carbon dioxide is being taken in by the leaves.

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