If earth's tilt on its rotating axis causes wet and cold weather, then earth's tilt on its rotating axis causes what? Answer choices: - global warming - dry conditions - temperature - wet and cold weather - absence of stars - disappearance of the moon - lack of weather - converting electricity to heat
wet and cold weather

If reductions in paper production would help stop global warming, then reducing paper production would directly help stop what international problem? Answer choices: - Greenhouse gases - obesity - global warming - cool summers - deforestation - population movement - antibiotic resistant bacteria - Greenhouse gasses
global warming

If seeds stuck to animal fur can spread, then what stuck to animal fur can spread? Answer choices: - teeth - disease - thoughts - rabies - viruses - seeds - vibrations - A virus
seeds

If single-celled organisms in soil convert atmospheric nitrogen into a form usable by plants, then what in soil converts atmospheric nitrogen into a form usable by plants? Answer choices: - compound of hydrogen oxygen - carbohydrates - single-celled organisms - excretory structures - peachleaf willow - members of their own species - It helps them survive - deoxyribonucleic acid
single-celled organisms