Question

what scientist proposed the theory of evolution by natural selection?
a darwin
b lyell
c malthus

Explanation:

Charles Darwin proposed the theory of evolution by natural - selection in his book "On the Origin of Species". Lyell was a geologist known for his work on uniformitarianism, and Malthus was an economist whose ideas influenced Darwin, but they did not propose the theory of evolution by natural selection.

Answer:

A. Darwin