If damming a river can cause water ponding in a depression, then damming a river can cause what in a depression? Answer choices: - storing water - less water - toxic water - silt - water ponding - dry stones - body water - drying out
water ponding

If power outages can cause a light bulb to go off, then what do power outages do to light bulbs? Answer choices: - turn them on - It remains dormant - it needs them - turn them off - It decreases - make them explode - increase electricity - kill them
turn them off

If recycling has a positive impact on the earth, then recycling has what kind of impact on the earth? Answer choices: - bad - making - mostly - life - neutral - good - ligt - destructive
good