Which scientist first named humans homo sapiens? a. darwin b. lamarck c. malthus d. linnaeus

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Which direction does the energy flow in this energy pyramid ?