If petals attract hummingbirds to the flower, then what do petals attract to the flower? Answer choices: - pollen - h2o - animals - insects - daisies - sunlight - honeybees - hummingbirds
hummingbirds

If lack of certain hormones in the blood can cause impotence, then lack of what in the blood can lead to impotence? Answer choices: - hormones - hemoglobin - oxygen - iron - Energy. - t-cells - competition - Energy
hormones

Q: If electrical energy turns into vibrations, then electrical energy is transmitted into what for sound? Answer choices: - vibrations - motion - heat - sensory neurons - waves - light - Firecrackers - cold
A: vibrations

Question: If bacteria in soil convert atmospheric nitrogen into a form usable by bamboo, then bacteria in soil convert atmospheric nitrogen into a form usable by what? Answer choices: - bacteria - human babies - food - humans - lions - bamboo - Conifers - rocks
Answer: bamboo

*Question*
If the skeleton provides protection for soft tissues and internal organs, then what provides protection for soft tissues and internal organs? Answer choices: - fur and fat - eye color - peachleaf willow - synapses - a cuticle - layers of fat - nerves - the skeleton
**Answer**
the skeleton

Q: If trees make soil stable, then what makes soil stable? Answer choices: - weather - heat - magma - rain - streams - water - trees - crust
A: trees