You are presented with the question "What requires great amounts of water to use their gills to extract dissolved oxygen?" and the following answer choices: - most cephalopods - alligators - starfish - aquatic animals - Jellyfish - water foul - platypus - Lobsters Now knowing that an aquatic animal requires great amounts of water to survive and fish can survive in water by using their gills to extract the dissolved oxygen, choose the best answer.
aquatic animals
You are presented with the question "What does a rubber band snapping cause?" and the following answer choices: - loss of heat - Injury - waves - cold - energy - sound - energy destruction - heat Now knowing that arubber band snapping causes the particles in the rubber band to vibrate and heat causes molecules of the material to vibrate, choose the best answer.
heat
Q: You are presented with the question "What causes a refraction of light?" and the following answer choices: - compound of hydrogen oxygen - focusing a lens - that material's properties - photosynthetic pigments? - oxidation reaction - a hemisphere is tilted away from the sun - sunlight beams - solid, liquid, gas Now knowing that water causes refraction of light and water is a compound of hydrogen and oxygen, choose the best answer.
A: compound of hydrogen oxygen
Question: You are presented with the question "what can sponges live in?" and the following answer choices: - crust - salt water - mouth of rivers - mantle - water - Bodily water - stars - loose soil Now knowing that adult sponges are sessile and sponges are sessile animals that live in fresh or salt water, choose the best answer.
Answer: salt water
*Question*
You are presented with the question "What decreases the melting point of liquid?" and the following answer choices: - Dilution - Impurities - Water expanding - Dehydration - Heat energy - Pollution - Time and energy - evaporation Now knowing that adding salt to a liquid decreases the melting point of that liquid and impurities like salts would also help by lowering the melting point, choose the best answer.
**Answer**
Impurities
(Q).
You are presented with the question "What can a producer grow down into the soil in order to absorb minerals and water?" and the following answer choices: - Trees - stems - roots - Oak - seeds - burrs - grass - water absorbing petals Now knowing that most plants grow roots down into the soil to absorb water and minerals and if the plant is green, it is a producer, choose the best answer.
(A).
roots