If gardening and painting supplies can cause harm to humans, then what can cause harm to humans? Answer choices: - Something with a head, thorax, and abdomen - oxygen spills - smallest agents of disease - gardening & painting supplies - DNA damage and mutations - influenza orthomyxoviruses - digestion - respiration
gardening & painting supplies

If energy is used to keep animals warm, then what keeps animals warm? Answer choices: - Oak - fur - proteins - food - trees - cellulose - Weight - energy
energy

Q: If eyes can sense colors, then what can the eye sense? Answer choices: - colors - magnetism - distance - light - smells - chemicals - nerves - temperature
A: colors

Question: If organisms increase the nutrients in soil, then what living thing increases nutrients in soil? Answer choices: - snail - fertilizer - chemicals - bushes - mussels - plants - organisms - compost
Answer: organisms

*Question*
If ozone depletion increases the risk of getting skin cancer, then what increases the risk of getting skin cancer? Answer choices: - Ozone depletion. - cigarettes - smoking tobacco - adding heat - electromagnetic energy - smoking pipes - rays or beams - wavelengths and photons
**Answer**
Ozone depletion.

Q: If mammals generate heat mainly by burning calories, then mammals generate heat mainly by what? Answer choices: - hugging mammals - calorie counting - with their fur - energy of moving objects - burning calories - sweating - selling fur coats - flow of electrons
A: burning calories