Which animal product is least efficient at converting feed consumed into the final product?

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Why is the bottom layer of a trophic pyrimid the