Atheory is an explanation of observable facts and phenomena. true of false.

What do butterflies have on their feet which allows them to sense different strengths and types of nectar? a.mechanoreceptors b.acoustic receptors c.substratum receptors d.chemoreceptors

Which property of fossils allow scientists to determine the relative rock ages..

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.