Science · Form 1 / Ecosystems and food chains Multiple choiceExerciseForm 1 What is a firebreak? Aa rest from cookingBa type of treeCa broken fire extinguisherDa cleared strip of land that stops a fire spreading Check my answer Source: Thuto360 practice Report a problemWhat's wrong?The marked answer is wrongThe question is unclearA spelling or typing mistakeThe picture is wrong or missingSomething elseAnything to addSend More like thisWhich gas is mainly responsible for the greenhouse effect from human activity?Multiple choiceForm 1Ecosystems and food chainsWhat is the term for all the populations of different species living in an area?Multiple choiceForm 1Ecosystems and food chainsWhat is a population?Multiple choiceForm 1Ecosystems and food chainsWhich human activity helps conservation?Multiple choiceForm 1Ecosystems and food chainsWhy are uncontrolled veld fires harmful?Multiple choiceForm 1Ecosystems and food chains