If riding a bike does not spoil the environment, then what does not spoil the environment? Answer choices: - Operating a factory - Driving a car - Riding a bike - food and shelter - hydrate their cells - lowered energy cost - Burning a fire - peachleaf willow
Riding a bike

If carbon, oxygen, and hydrogen can be combined with fatty acids, then what can fatty acids be combined with, in addition to carbon and oxygen? Answer choices: - Sodium - Energy. - glucose - Carbon Dioxide - Fuel cells - Uranium - Hydrogen - Energy
Hydrogen

If roundworms have offspring by laying eggs, then how do roundworms have offspring? Answer choices: - more abundant - rapid expansion - Plants growth - survive - laying eggs - competition - it needs them - fertile
laying eggs