The atomic number of a nucleus decreases during which nuclear reactions?

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

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest