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Questions in science

[Sagot para sa’yo] 1. Plant serves as agents of weathering. Which of the following statements support this idea. A. Branches of plants cause the rocks to break when blown by the winds. B. Decaying trunks of plants cause the rocks to break C. Falling of leaves cause rocks to break. D. Root of plants that grow in rocks and cause them to break 2. The process involved in the breaking of rock boulders into pieces A. B. deposition erosion C. sedimentation d. weathering 3.Which of the following occurs when acidic water caused the rocks to break producing clay and soluble salts? A. Carbonation B. Erosion C. Hydrolysis D. Oxidation C. Mining ores 4. The following human activities are caused of physical weathering, EXCEPT. A. Boating and fishing B. Building roads and tunnels D. Acidic water in the river 5.What physical characteristic of rock refers to the color of its powdery materials? A. hardness B. luster C. malleability D. streak 6.Your teacher asked you to use a hand lens to observe the rock samples. You noticed that some rocks have coarse grains while others have fine grains in them. This shows that rocks differ in, A. Color B. Size C. Shape D. Texture 7. Why do sedimentary rocks are important to geologist and archeologist? A. It serves as collections. B. It serves as decoration C. They used it to make a jewel D. They used it to study the structure of things that existed in the past. 8. Which of the following would not use rocks and minerals? A. Building C. Electrical device D. Jewelry B. ceramics 9. Which causes the limestone formation that make Palawan a popular tourist destination? A. Eruption B. Glaciers C. water D. Win 10. Marble is often used for statues or grand buildings because A. C. C. It wears away easily. B. It splits easily into thin sheets. D. All of the above 11.They cause weathering by scratching on the rock's surface as they walk or run around. A. animals B.ceramics 12. Which of the following shows that soil erosion is caused by wind? A. Ashes and dust near Mt. Pinatubo B. Muddy water in the field 13. All of these are causes of soil erosion except one. A. Fire B. Human and animal activities 14. Which is the most effective agent of erosion? A. glaciers B. gravity 15.The process that moves sediments A. Erosion B. Fracture 16. Landslides on mountain slopes show the force of A. Gravity B. Runoff 17. What makes the water muddy after a heavy rain? C. electrical device D. jewelry C. Pile of soil in the river D. Sandstorm C. Water D. Wind C. water D. wind A. The fine dust particles dissolved in water. B. The gravel and sand carried by the water C. The pebbles moved along with water. D. The rainwater turned brown in color. 18. Which of the following factors can affect soil erosion? C. Dissolution D. Weathering C. Running water D. Wind I. amount of vegetation in the area II. speed and amount of running water Ill. dryness and size and soil particles IV. Slope of the land A. I and II only 19. How can trees help prevent erosion? B. III and IV C. I, II and IV only D. I,II,III and IV A. The roots absorb the water at once. B. The roots hold the soil firmly together. C. The roots secrete acid, attacking the rocks. D. The trees block the way of running water. 20. The following statements tell about preparations before typhoon, EXCEPT. A. Check the house for possible damage B. Listen or watch storm advisories C. Prepare flashlight and batteries D. Store food for the family 21.Strong winds of 60-100 kph is expected within 24 hours and classes in the elementary and secondary levels are suspended. It describes A. Signal No. 1 B. Signal No. 2 C. Signal No. 3 D. Signal No. 4 C. 120 kph D. 186 kph 22. If Storm Signal No. 4 is raised, the speed of the wind is at least A. 85 kph B. 100 kph 23. Which statement is true about weather conditions? A. Weather conditions do not change. B. Weather conditions change from time to time. CO Rotate screen Fit Export Share Search​

[Sagot para sa’yo] What is important to look up or Up to date information about your topic before you conduct any experiments

[Sagot para sa’yo] what are the related studies of chickpeas?[should not be pasted in AI, can u help me by your own words ] if u have an idea​

[Sagot para sa’yo] SESSION 4: POWER 1. What is the power output of a man who pushen a box 5 meters in 3 seconds with a constant force of 12 N? Understanding the problem Known: Unknown: Devising a Plan Carrying Out the Plan Looking acceleration is the cute open in mind​

[Sagot para sa’yo] Which of the following is an example of chemical digestion? A A whole grape enters your mouth and your teeth break it up into smaller pieces that are easier to swallow. B The bagel you ate this morning eventually leaves your body as a waste material called feces. C Your body uses the eggs you had for breakfast for energy, growth and healing. D Little pieces of chewed up hamburger are broken down into smaller molecules by enzymes.

[Sagot para sa’yo] if a student pushes their backpack across the table, what type of friction is acting against the motion of the backpack

[Sagot para sa’yo] 3. Which of the following will NOT cause chemical weathering in rock? a. Acid Rain b. Oxidation Process c. Burrowing of animals d. Reaction between water and elements present in the rock.​

[Sagot para sa’yo] HNO3 + NaHCO3 → NaNO3 _ H₂O +¸ CO2 -​

[Sagot para sa’yo] S 2. Maria is cooking using a stainless steel pot. After a few minutes, she notices that the pot handle has gotten very hot. What caused the pot handle to become hot? A. Stainless steel conducts heat. B. The pot prevents heat from escaping. C. The pot absorbs all the heat from the stove. D. The stove was set at a very high temperature. 3. Kyle plugged in a copper wire to connect the bulb to a circuit source. The light bulb lit up instantly. What property of copper caused the light bulb to light up? A. Copper conducts heat well. B. Copper prevents electrical flow. C. Copper conducts electricity well. D. Copper increases the circuit voltage.​

[Sagot para sa’yo] 26. Aerobic dance is one of cardiorespiratory endurance exercises in which this component on health-related fitness is being determined by the VO2max. What is VO2max? A. VO2max is the maximum amount of oxygen the human body can utilize per hour of physical activity. B. VO2max is the minimum amount of oxygen the human body can utilize per hour of physical activity. C. VO2max is the maximum amount of oxygen the human body can utilize per minute of physical activity. D. VO2max is the minimum amount of oxygen the human body can utilize per minute of physical activity.​