If earth 's tilt on its rotating axis causes autumn, then earth's tilt on its rotating axis causes what? Answer choices: - rainfall - wind - rest - spring - autumn - pollution - taxes - death
autumn

If precipitation causes erosion, then what causes erosion? Answer choices: - rainfall - the Moon - precipitation - vehicles - ice wedging - Venus - Mars - mouth of rivers
precipitation

Q: If agreenhouse is used to protect flowers by keeping them warm, then how does a greenhouse protect flowers? Answer choices: - keeps them away from the sun - keeps them warm - keeps them out of soil - an external framework - it needs them - keeps them cold - rays or beams - by indirect light
A: keeps them warm

Question: If the body's largest organ protects the body from harmful substances, then what can protect the body from harmful substances? Answer choices: - the body's largest organ - layers of fat - Electric devices - bones - sunburns - hard outer covering - deoxyribonucleic acid - muscle
Answer: the body's largest organ

*Question*
If electron microscopes are used for seeing very small things and magnifying them, then electron microscopes are used for seeing very small things and doing what? Answer choices: - making them small - observe it - duplicate itself - making them tiny - making them invisible - rays or beams - magnifying them - major threat to health
**Answer**
magnifying them

Q: If cars damage the environment by causing an excess of contaminants, then how do cars damage the environment? Answer choices: - Battery useage - exposure to the sun - Emitting an excess of contaminants - they travel great distances - Using too much gas - Causing accidents - depress neuronal excitability - within and around
A: Emitting an excess of contaminants