Social Studies · Std 4 / Environment and conservation Multiple choiceExerciseStandard 4 What is contour ploughing? Aploughing up and down a hillBploughing at nightCnot ploughing at allDploughing across a slope to reduce erosion 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 thisWhat is soil erosion?Multiple choiceStd 4Environment and conservationWhich department in Botswana protects wildlife?Multiple choiceStd 4Environment and conservationWhat is a woodlot?Multiple choiceStd 4Environment and conservationWhy is the Okavango Delta important to Botswana?Multiple choiceStd 4Environment and conservation