If the Earth revolving around the Sun causes winter, then what is a cause of the Earth revolving around the Sun? Answer choices: - heat - wind - winter - Light - Movement - energy - sunlight - Joules
winter

(Question)
If fertilizer supplements nutrients in soil, then what does fertilizer supplement? Answer choices: - precipitation - seeds - nutrients - vegetation - energy - bioaerosols - rock - water
(Answer)
nutrients

Ques: If liquid propane is used to expand hot air balloons, then how is liquid propane used in hot air ballooning? Answer choices: - lowered energy cost - The area was once underwater - to expand the balloon - energy of moving objects - activation energy - hydrogen and oxygen - It remains dormant - to move people
Ans: to expand the balloon

(Q).
If living things all require food, then what do living things require? Answer choices: - blood - water - lipids - health - oxygen - food - cells - Sun
(A).
food

Ques:If photons enter the eye through the pupil, then which of the following passes through an eye's pupil? Answer choices: - electron - photons - optic nerve - a wave - the sun - sunlight - glasses - iris

Ans:photons

If cells secrete acids to break down proteins, then why do cells secrete acids? Answer choices: - Make money - resistance activities - allow growth - Plant growth is reduced - Break down proteins - Hurt things - increases a body's strength - Help friends
Break down proteins