If male dogs use something that attracts females in urine to mark their territory, then what does the substance that male dogs have in urine to mark their territory do? Answer choices: - sweating - attract females - Release energy - repels females - attract enemies - attract males - adding heat - dangerous
attract females

If arainbow is formed by refraction of light by separating light into all different wavelengths, then what is formed by refraction of light by separating light into all different wavelengths? Answer choices: - an object - bushes - a prism - a rainbow - a cloud - heterotrophs - a mirror - photons
a rainbow

Q: If plants conserve water, then what do plants conserve? Answer choices: - energy - sodium - oxygen - protein - air - nitrogen - water - plasma
A: water

Question: If underground systems grow in width and length, then what grow in width and length.? Answer choices: - crocodiles - sedimentary rocks - vegetation - remains of prehistoric life - swamp vegetation - shrub beds - underground systems - loose dirt
Answer: underground systems

*Question*
If minerals are chemical elements that are essential for pregnancy, then what are minerals essential for? Answer choices: - root growth - allow growth - agriculture - humans - Plants growth - health - pregnancy - animals
**Answer**
pregnancy

(Question)
If adoorbell converts electrical energy into a wave, then what is created when a doorbell is pressed? Answer choices: - an object - particles - heat - energy - a wave - courtship - aura - colors
(Answer)
a wave