C. The diagrams below demonstrate one of the laws of Sir Isaac Newton in a moving car

Here are the answers to the questions. C. The diagrams below demonstrate one of the laws of Sir Isaac Newton in a moving car a) (i) The law demonstrated in diagrams A and B is Newton's First Law of Motion (or the Law of Inertia). (ii) The state of the two passengers in the car: • In diagram A, the passenger is in a state of uniform motion (moving with the car). • In diagram B, the passenger is in a state of forward motion (due to inertia) relative to the suddenly stopped car. (iii) Two applications of the law demonstrated above: • The use of seatbelts in cars to prevent passengers from being thrown forward during sudden stops. • The need for headrests in cars to prevent whiplash during sudden accelerations or rear-end collisions. (iv) The law demonstrated above states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. d. The diagram below illustrate three types of seedbed labelled A, B and C. a) Identify each of the seedbeds labelled A, B and C: • A: Sunken bed (or Trench bed) • B: Raised bed (or Mound bed) • C: Flat bed b) One advantage of seedbed A and B: • Seedbed A (Sunken bed): It helps to conserve moisture in dry regions and protects young plants from strong winds. • Seedbed B (Raised bed): It provides better drainage in areas with heavy rainfall or poor soil, and the soil warms up faster in spring. c) One difference between seedbed A and B: • Seedbed A is dug below the ground level, while seedbed B is built up above the ground level. d) Two crops that could be propagated on each of the seedbed B and C: • Seedbed B (Raised bed): Carrots, Lettuce, Tomatoes. • Seedbed C (Flat bed): Maize, Beans, Groundnuts. SECTION B QUESTION 2: a) Crop maturation is the stage when a crop reaches its full development and is ready for harvest, having accumulated maximum dry matter or desired qualities for its intended use. b) (i) Four indices of a matured crop: • Change in color (e.g., leaves turning yellow or fruits changing color). • Hardening of grains or seeds. • Drying of leaves and stems. • Ease of detachment of fruits or grains from the plant. (ii) To calculate the potential energy of the object: The formula for potential energy is PE = mgh. Given: Mass (m) = 800\, kg Height (h) = 3\, m Acceleration due to gravity (g) = 10\, m/s^2 Substitute the values into the formula: PE = (800\, kg) × (10\, m/s^2) × (3\, m) PE = 24000\, J The potential energy of the object is 24000 J. c) (i) Two human activities that are destroying the balance of nature in Ghana: • Deforestation (e.g., for logging, agriculture, or charcoal production). • Illegal mining (galamsey), which pollutes water bodies and degrades land. (ii) The composition of the circulatory system includes: • Heart • Blood vessels (arteries, veins, capillaries) • Blood d) (i) The Jovian planets (Jupiter, Saturn, Uranus, Neptune) are not habitable to humans because: • They are primarily gas giants, lacking a solid surface for humans to stand on. • They have extreme atmospheric pressures and temperatures that are inhospitable. • Their atmospheres are composed mainly of hydrogen and helium, lacking breathable oxygen. (ii) Three waste management practices and one scientific principle of each: • Recycling: Scientific principle is resource conservation, which involves processing used materials into new products to reduce the consumption of fresh raw materials. • Composting: Scientific principle is decomposition, where organic waste is broken down by microorganisms under controlled conditions to produce nutrient-rich humus. • Incineration: Scientific principle is combustion, which involves burning waste at high temperatures to reduce its volume and sometimes generate energy. That's 2 down. 3 left today — send the next one.