If spores in soil convert atmospheric nitrogen into a form usable by plants, then what can change atmospheric nitrogen into a form used by plants? Answer choices: - Conifers - mutations - Collagen - earthworm - sugar - Enzymes - spores - wind
spores

(Question)
If streams may start with rain, then what may streams start as? Answer choices: - rivers - dirt - liquid - light - rainy - sun - rain - floods
(Answer)
rain

Ques: If bats can communicate with sounds, then what can communicate with sounds? Answer choices: - the Sun - sheep - rocks - bears - Birds - air molecules - phone - bats
Ans: bats

(Q).
If deoxygenated blood is carried toward the heart, then what is carried toward the heart? Answer choices: - flow of electrons - kinetic energy - deoxygenated blood - the body's largest organ - Electrical energy - energy of moving objects - refraction of light - electromagnetic energy
(A).
deoxygenated blood

Ques:If water causes a root to emerge from an acorn, then what causes a root to emerge from an acorn? Answer choices: - lipids - leaves - air - water - glaciers - erosion - fungi - solutes

Ans:water

If the wind has a negative impact on the respiratory system, then the wind has a negative impact on what? Answer choices: - the respiratory system - agriculture - most organisms - members of their own species - movements in the earth's crust - they body they live in - energy usage - one celled organisms
the respiratory system