Why are the fingers of a human separated by gaps?
a the cells in between were programmed to die
b the cells in between failed to grow
c the cells in between mutated
d the cells experienced morphogenesis

Which statement best describes how private industry decides where to spend the money on research and development

What is the weight of a 8-kg substance in n, kn, kg·m/s2, kgf, lbm·ft/s2, and lbf?

Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k