PLEASE IS SCIENCE 8th GRADE
balanced, which means that the forces pushing the rock in one direction are equal to the forces pushing the rock in the opposite direction. This is why the rock remains motionless on the flat sidewalk.
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Answer:
W
Explanation:
Gravitational force is calculated by (m₁ * m₂)/d² where d is the distance, m₁ is the mass of one object and m₂ is the mass of another. Let's set m₁ to the mass of the star. Since the gravitational force we are trying to calculate is between the star and each object, the number amount of the star's mass is not required. Additionally, all objects are the same distance from the star, so distance measurements do not matter. All we have to do is compare the masses. By using the equation, logically, greater masses should yield a larger gravitational force. Thus, since W has the greatest mass, it must have the strongest gravitational force of attraction with the star.
Answer:
C) W
Explanation:
(m1 * m2)/d2, where d is the distance, m1 is the mass of one item, and m2 is the mass of another, is the formula for gravitational force. Let's put m1 equal to the star's mass. The mass of the star is not necessary since the gravitational force we are attempting to compute is between each item and the star. Distance measurements are also irrelevant because all objects are at the same distance from the star. To compare the masses is all that is necessary. Using the equation, more masses should theoretically result in a stronger gravitational pull. W must thus have the biggest gravitational pull on the star since it has the most mass.
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What is the atmosphere? Answer in 2-4 sentences, including the words below:
Gases.
Air pressure.
Altitude.
Temperature.
Answer: the atmosphere is a layer of gases that surrounds the Earth. The air pressure, altitude and temperature of the atmosphere vary depending on where you are within it. In general the higher you go in the atmosphere, the lower the air pressure and temperature become
Explanation:
1. Describe the changes that occur in the Pacific Ocean and the atmosphere above it during el Nino.
2. What effects does El Nino have on weather and climate?
3. What causes upwelling?
4. Why would the ablility to predict the occurence of El Nino be important for the fishing industry on the western coast of America?
Answer in complete sentences. This is Science 6th grade.
During El Niño, the ocean's surface in the western pacific becomes warmer than usual, and the winds push the warm ocean currents toward the east. This movement allows the warm ocean current to meets with the cold ocean currents in the atmosphere that disrupts the weather pattern.
During El Niño, the western Pacific ocean’s surface tends to become warmer than the usual. Then, the winds push the warm ocean currents toward the east. This movement disrupts the weather patterns once it meets with the cold ocean currents.
Answer and Explanation (QUESTION — 2):El Niño causes the Pacific jet stream to move south and spread further east. During winter, this leads to wetter conditions than usual in the Southern U.S. and warmer and drier conditions in the North. El Niño also has a strong effect on marine life off the Pacific coast.
El Niño conditions can cause a wide range of health problems, including disease outbreaks, malnutrition, heat stress, and respiratory diseases. El Niño has an impact on ocean temperatures, the speed and strength of ocean currents, the health of coastal fisheries, and local weather from Australia to South America and beyond. El Niño events occur irregularly at two- to seven-year intervals.
Answer and Explanation (QUESTION — 3):Winds blowing across the ocean surface often push water away from an area. When this occurs, water rises up from beneath the surface to replace the diverging surface water. This process is known as upwelling. Upwelling occurs in the open ocean and along coastlines.
The three main drivers that work together to cause upwelling are wind, Coriolis effect, and Edman transport. The deeper water that rises to the surface during upwelling is rich in nutrients. These nutrients “fertilise” surface waters, encouraging the growth of plant life, including phytoplankton.
Upwelling also occurs in El Niño.
Answer and Explanation (QUESTION — 4):As a result, these fishes may either die or swim to other places. In this case, predicting El Niño would be helpful for people, especially those who rely on fishing for their livelihood, to be better prepared for the arrival of this climate event in order to reduce its impact.
The fishermen who handle the waters of the Pacific off the shore of Peru and Ecuador have known for a considerable length of time about the El Niño. Each three to seven years amid the periods of December and January, angle in the waterfront waters off of these nations basically vanish, making the angling business grind to a halt. South American anglers have given this wonder the name El Niño, which is Spanish for "the Boy Child," since it happens the season of the festival of the introduction of the Christ Child. Amid an El Niño, the physical connections between wind, sea streams, maritime and environmental temperature, and biosphere separate into dangerous examples that are second just to the walk of the seasons in their effects to climate conditions the world over.
El Nino is known in coasts of Peru and Ecuador. Every 3 to 7 years (in the months of December and January), this phenomenon occurs causing the fish to virtually disappear or vanish from the water. This leads to a deterioration in the fishing industry. Being able to predict El Nino would help fisher men a lot as it will give them an idea of when this phenomenon will occur. Therefore, they would be able to plan for the season accordingly as they would know when to expect the disappearance of the fish from the coasts.
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What does the diaphragm do, and what would happen if someone didn’t have a diaphragm or the diaphragm stopped working? Please provide a detailed explanation.
Answer:they would die
Explanation:
because