If spring, summer, autumn, and winter are caused by the Earth being tilted on its rotating axis, then what causes spring, summer, autumn, and winter? Answer choices: - meteor showers - heat production - the sun's energy - Generating heat - Earth tilted on rotating axis - Something with a head, thorax, and abdomen - Earth vibrating - lunar cycle
Earth tilted on rotating axis
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If you can keep plants alive by balancing the soil, then how do you balance the acidity of soil? Answer choices: - Evaporation - It decreases - composting - heating liquids - food - pruning - drink - dirt
composting
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If threatening behavior causes stress in animals, then what does threatening behavior cause in animals? Answer choices: - negative - stress - dog - knife - disease - Movement - influenza - h2o
stress
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If oxygen is essential for cellular respiration for fungi, then oxygen is essential for cellular respiration for what? Answer choices: - Man - Energy. - humans - plants - animals - Energy - health - fungi
fungi
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