If water seeping out of a spring is a source of drinking water, then what is a source of drinking water? Answer choices: - ice expanding in rock openings - helping to prevent floods - industrial runoff - it helps plants in growing - Water seeping out of a spring - salt water - polluted water - Something with a head, thorax, and abdomen
Water seeping out of a spring

If starfish lack respiratory and excretory systems, then what lacks respiratory and excretory systems? Answer choices: - the Sun - insects - starfish - barnacles - ferns - water - Conifers - humans
starfish

Q: If reusing things has a positive impact on the environment, then what has a positive impact on the environment? Answer choices: - temperature - reusing things - a hydraulic system - water conservation - peachleaf willow - density - Green beans - addition
A: reusing things

Question: If protein is an essential nutrient for all animals, then what do all animals need? Answer choices: - oxygen - nutrients - Energy - sunlight - dirt - carbon dioxide - Energy. - water
Answer: nutrients

*Question*
If plants respond to temperature, then what do plants respond to? Answer choices: - Chemical energy - Vibrations - heat energy - Sulfur dioxide - Temperature - sun's heat - Clouds - Wood
**Answer**
Temperature

(Q).
If horses are multicellular eukaryotes, then what are multicellular eukaryotes? Answer choices: - horses - fungi - insects - plants - Conifers - ferns - potatoes - legumes
(A).
horses