If radiators use oil to heat buildings, then what do radiators use to heat buildings? Answer choices: - coal - CFCs - Solar power - Oil - Oxygen - hot - Hydrogen - fuse
Oil

If decomposers make nutrients for organisms that become food for consumers, then which is higher on the food chain? Answer choices: - insects - animals - humans - glucose - decomposers - herbivores - producers - consumers
consumers

Q: If trees have woody stems covered with a protective layer, then trees have woody stems covered with what? Answer choices: - food and shelter - smooth ridges - looseness - protective layer - Organic compounds - plastic sheet - heat energy - thin metal
A: protective layer

Question: If humans breathe with the help of a diaphragm, then what breathes with the help of a diaphragm? Answer choices: - plants - bears - babies - insects - humans - animals - goats - oxygen
Answer: humans

*Question*
If when the seasons change from the summer to the fall, symptoms of some depressive illnesses worsen, then when the seasons change from the summer to the fall, symptoms of what will sometimes worsen? Answer choices: - vitamin D excess - hypothyroidism - Dehydration - direct damage to the lungs - Thanksgiving - green - Abnormal cell growth - depressive illnesses
**Answer**
depressive illnesses

(Q).
If earth's tilt causes seasons, then what causes seasons? Answer choices: - moon - decreased differentiation - earth's revolving - the ocean - Physical weathering - colors of the spectrum - gravity - dry conditions
(A).
earth's revolving