If salting food preserves it, then what does salting food do to it? Answer choices: - decrease stamina - evaporation - hydration - Preserves it - Causes bacteria to spread - chemical changes - Causes it to rot - Cooks it
Preserves it

If harming an animal species has a negative impact on the sub-units of species, then harming an animal species has a negative impact on the what? Answer choices: - sub-units of species - single-celled organisms - diet of species - most organisms - color of species - ancestors of species - Abnormal cell growth - Males and females
sub-units of species

Q: If combustion of oil causes acid rain, then what causes acid rain? Answer choices: - burn - oil - coal - lung - DDT - tar - Cars - wind
A: oil

Question: If ozone depletion results in radiation levels that are highest during the middle of the day, then ozone depletion results in radiation levels that are highest when? Answer choices: - middle of the day - forest is destroyed - late evening - Under 32 degrees - middle of the night - Temperature changing - Plant growth is reduced - early morning
Answer: middle of the day

*Question*
If using a bike saves energy, then riding a bike reduces what? Answer choices: - energy usage - Greenhouse gasses - acid rain - harmful substances - Greenhouse gases - temperature - prolactin release - storms
**Answer**
energy usage

Q: If cacti exemplify surviving in a dry environment, then what exemplify surviving in a dry environment? Answer choices: - babies - insects - ferns - traits - bamboo - cacti - bushes - bears
A: cacti