Migrants typically travel long distances, and although some of Kew's butterflies are fairly sedentary, others are great migrants. Given these facts, what is true about some butterflies among the following options: - sub-units of species - they turn into caterpillars - The flowers are pollinated - It helps them survive - they eat bees - they eat honey - absorb light energy - they travel great distances
they travel great distances

Vertebrates are all chordates that have a backbone, and birds are warm-blooded vertebrates. Given these facts, what has a backbone among the following options: - Man - invertebrates - humans - insects - toads - birds - plants - bacteria
birds

Q: Magnetism can cause objects to repel each other, and aspinning electron is what causes magnetism. Given these facts, what causes objects to repel each other among the following options: - bad smells - kinetic energy - sticky substances - electrically - spinning electrons - heat energy - Electrical energy - object size
A: spinning electrons

Question: Heating salt water causes the water to evaporate while the salt remains, and most of Earth's water is salty seawater. Given these facts, what, if heated, evaporates while salt remains among the following options: - hydration - Energy. - spring - Solar energy - seawater - salinity - Solutions - energy
Answer: seawater

*Question*
If two balanced forces act on an object in opposite directions then that object will remain stationary, and objects can be stationary or moving with constant linear velocity. Given these facts, if two balanced objects act on an object in opposite directions, the object will among the following options: - bent - behave - cool off - friction - Temperature - not move - survive - run away
**Answer**
not move

Q: Nitrogen is found in proteins, nucleic acids, and chlorophyll, and high Nitrogen High nitrogen causes rapid growth. Given these facts, what are found in proteins, nucleic acids, and chlorophyll among the following options: - microorganisms - solid, liquid, gas - share properties - characteristics - Chemical energy - Causes of rapid growth - that material's properties - Organic compounds
A: Causes of rapid growth