You are presented with the question "what does it mean if an object can be focussed on the retina?" and the following answer choices: - sunlight - lowered energy cost - it has density - it is a rainbow - observe it - Change colors - it is invisble - it can be seen Now knowing that if an object reflects light toward the eye then that object can be seen and light is focussed on the retina, choose the best answer.
it can be seen
You are presented with the question "How can you keep a fire from getting bigger?" and the following answer choices: - less wind - heat energy - protect them - friction - Solar energy - voltage - Gravity - electrically Now knowing that fanning a fire increases the oxygen near the fire and strong winds increase the concentration of oxygen available to the fire, choose the best answer.
less wind
Q: You are presented with the question "What prolongs the storage life of food in space?" and the following answer choices: - hydrogen and oxygen - preservatives - Dehydration - heating liquids - Fuel cells - heat energy - hard outer covering - layers of fat Now knowing that astronauts require preserved food for extended flights and preservatives are added to extend the shelf life, choose the best answer.
A: preservatives
Question: You are presented with the question "What molecules are are encoded with instructions that tell cells what to do?" and the following answer choices: - Earth revolving around the sun - mitosis - philtrums - viruses - allow growth - A Greek letter - Plant growth is reduced - deoxyribonucleic acid Now knowing that molecules of DNA are encoded with instructions that tell cells what to do and dNA DNA is deoxyribonucleic acid, choose the best answer.
Answer: deoxyribonucleic acid
*Question*
You are presented with the question "Water vapor doing what causes clouds or rain?" and the following answer choices: - flooding - decreasing - dissolving - moves - warming - boiling - heat - cooling Now knowing that water vapor cooling causes that water vapor to condense and cooler air can hold less water vapor than warmer air and condenses as clouds or in the form of rain, choose the best answer.
**Answer**
cooling
(Question)
You are presented with the question "Earth orbiting the Sun causes changes to what?" and the following answer choices: - weather - sunlight - colors - food - herds - water - earth - climate Now knowing that earth orbiting the Sun causes seasons to change and weather changes from season to season, choose the best answer.
(Answer)
weather