Output Soil that remains moist for longer between watering Input Moist soil covered with an appropriate layer of organic mulch Mulch reduces evaporation from garden soil CausesLearning
Output The leaf appears predominantly green Input White sunlight falling on a healthy leaf Why do many leaves look green? AnswersGeneral
Output Lower community spread for diseases and vaccines where transmission is reduced Input A population with a high share of people effectively immunised Vaccination can reduce transmission opportunities CausesLearning
Output Reduced external blood loss while awaiting further care Input A bleeding wound covered with clean material while emergency help is sought Direct pressure helps control external bleeding CausesLearning
Output Water with greatly reduced biological risk after cooling safely Input Clear water brought to a rolling boil Boiling makes microbiologically unsafe water safer CausesLearning