Why did coal never form in australia?

a. australia has always been too hot for coal to form.

b. australia had too much vegetation for coal to form.

c. australia was covered in ice during a key geologic period.

d. australia did not have the correct types of rock for coal to form.

What did the first language sound like

What are genotypes? what are phenotypes?

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms