Can someone name a symbiotic partner that illustrates mutualism, commensalism, and parasitism.

Niobium forms a substitutional solid solution with vanadium. compute the number of niobium atoms per cubic centimeter for a niobium-vanadium alloy that contains 24 wt% nb and 76 wt% v. the densities of pure niobium and vanadium are 8.57 and 6.10 g/cm3, respectively

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

Aplane travels 1000 miles in 5 hours .what is the planes average speed?