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Questions in science

[Sagot para sa’yo] overview causes of species Extinction answer​

[Sagot para sa’yo] Overview Causes of Species Extinction In Grade 8, you learned about the concept of species, class organisms using the hierarchical taxonomic system and the advantag biodiversity in maintaining the stability of an ecosystem. In Grade 9, you the importance of biodiversity , find out how changes in the environment species extinction and relate species extinction to the failure of po organisms to adapt to abrupt changes in the environment. In any ecosystem, organisms need a balanced environment. ecosystem is one in which all living and nonliving things are harmoniously. If any part of the ecosystem is disturbed, other parts affected. What happens to a community when its species diversity is re ability to sustain the species​

[Sagot para sa’yo] What steps do you take as a part of community to stop climate change?

[Sagot para sa’yo] Discounting temperature,a ballon will pop as it rises in the atmosphere because..

[Sagot para sa’yo] What are 10 key terms related to projectile motion?

[Sagot para sa’yo] 49. Why does the moon have different phases? A. It follows the sun. B. It moves around the earth 50. What is the largest constellation? A. Andromeda B. Cygnus C. It moves around the sun D. Its surface experience seasons C. Orion D. The Crux​

[Sagot para sa’yo] Why do some stars offer buightier then others

[Sagot para sa’yo] Problem Set 2 TABLE Part A: Projectile Motion Along the Horizontal Problem 1: A ball rolls off a 5-meter-high table with a horizontal speed of 3 m/s. (a) Calculate the time of flight. (b) Determine the total distance fallen. (c) Find the horizontal range. Problem 2: A diver runs off a 15-meter-high diving platform with a horizontal velocity of 2 m/s. (a) Calculate the time of flight. (b) Determine the total distance fallen. (c) Find the horizontal range. Problem 3: A cyclist rides off a 20-meter-high ramp at a speed of 10 m/s. (a) Calculate the time of flight. (b) Determine the total distance fallen. (c) Find the horizontal range. Part B: Projectile Motion at an Angle with the Horizontal Problem 1: A soccer player kicks a ball with an initial speed of 25 m/s at an angle of 35° above the horizontal. (a) Calculate the maximum height reached. (b) Determine the time to reach the peak. . (c) Find the total time of flight. (d) Calculate the horizontal range. Problem 2: A projectile is launched with a velocity of 60 m/s at a 20° angle above the horizontal. (a) Calculate the maximum height reached. (b) Determine the time to reach the peak. (c) Find the total time of flight. (d) Calculate the horizontal range. Problem 3: A baseball is hit with an initial velocity of 30 m/s at an angle of 50°. (a) Calculate the maximum height reached. (b) Determine the time to reach the peak. (c) Find the total time of flight. (d) Calculate the horizontal range.​

[Sagot para sa’yo] Directions: Analyze the composition of the given formula below then encircle all the organic compounds and identify the names. HBr CH3COOH Na2SO4 C8H18 HF SO3 NO2 H2SO4 KMnO4 MnCl2 NH3 КСІ CuSO4 HNO3 CH3OH CaCO3 Naci C2H5OH​

[Sagot para sa’yo] 32. Which statement is true about weather conditions? A. Weather conditions do not change. B. Weather conditions change from time to time. C. Weather conditions are the same for one week. D. Weather conditions are the same throughout the day. 33. PAGASA has just raised TCWS No. 3 issued for a Severe Tropical Storm in Metro Manila. What does this mean? A. Winds up to 61 kph may be expected in the locality. B. Winds from 62-88 kph may be expected within the next 24 hours. C. Winds with a speed of 89-117 kph are expected in the area in at least 18 hours. D. Winds with a speed greater than 118-184 kph are expected to hit the area in at least 12 hours. 34. Typhoon signals are raised according to A. The speed of the wind B. The strength of the wind ? C. The direction of the wind D. The strength and speed of the wind 35. Which is the best thing to do during a typhoon? A. Help the victims of calamities. B. Call your friends and play outside. C. Stay indoors. Cancel or postpone any travel plan. D. Buy enough supply of water, rice, canned goods, and medicines. 36. Which of the following is the best thing to do after a typhoon? A. Prepare an emergency kit. B. Be alert about evacuation announcements by the officials. C. Keep enough supply of water, rice, canned goods, and medicines. D. Ask an electrician to check the electrical wirings that were soaked in flood water. 37. The strength of the tropical cyclone depends on the A. The cloudiness near the center B. Maximum speed of wind near the center C. Minimum speed of winds near the center D. Minimum speed of winds and rain near the center 38. Why do PAGASA issue weather bulletins and warnings? A. To give people time to party. B. To give people time to prepare. 39. What can we observe during a typhoon? C. To give people time for swimming. D. To give people to go and watch a movie. A. Heavy rainfall accompanied by strong winds. B. The sun becomes visible, and the sky becomes clearer. C. The air is dry and cold since most of the warm air rises already.​