Ques:If pathogens have a negative impact on the body, causing disease, then pathogens have what impact on the body? Answer choices: - Roundworms - small - viruses - insignificant - Roundworms. - toxins - positive - negative

Ans:negative
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Ques:If burning fossil fuels can cause an increase in the temperature of the lower atmosphere, then what can can cause an increase in the temperature of the lower atmosphere? Answer choices: - solar flares - burning fossil fuels - gas expanding - Dehydration - Warm air moving into cold air - radio waves - Greenhouse gasses - Greenhouse gases

Ans:burning fossil fuels
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Ques:If wiring requires a conductor such as copper to carry a current, then what can be used in wiring as a conductor? Answer choices: - paper - energy - tube - copper - a prism - photons - leather - light

Ans:copper
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Ques:If the Earth gets between the sun and moon and creates a shadow, then what does the light on the moon come from? Answer choices: - The Earth - a prism - The sun. - A shadow - heat - heat energy - Solar energy - The moon

Ans:
The sun.
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