Which of the following animals does not have nervous system?

✅ D. The clearing or removal of forests

a: Cleaning a river | b: Recycling glass | c: Planting a forest | d: The clearing or removal of forests Read more

✅ D. Using efficient appliances and switching off unused devices

a: Opening a refrigerator door for long periods | b: Blocking ventilation filters | c: Leaving every light on | d: Using efficient appliances and switching off unused devices Read more

✅ C. Saturn

a: Mercury | b: Mars | c: Saturn | d: Venus Read more

✅ A. Barometer

a: Barometer | b: Anemometer | c: Hygrometer | d: Thermometer Read more

✅ A. O

a: O | b: Og | c: Ox | d: Oy Read more

✅ C. Processes materials so they can be used again

a: Always turns waste into fuel | b: Prevents all waste automatically | c: Processes materials so they can be used again | d: Creates new raw materials from nothing Read more

✅ C. Energy from sources replenished naturally on human timescales

a: Energy only from coal | b: Energy only from oil | c: Energy from sources replenished naturally on human timescales | d: Energy from burning peat only Read more

✅ D. A species facing a high risk of extinction

a: A species with no habitat needs | b: A nonliving resource | c: A species found everywhere | d: A species facing a high risk of extinction Read more