During what geologic period did the bony ray-finned fishes diversify tremendously and begin to dominate the aquatic habitats of earth and when the lobe-finned fishes first appeared.

From the Silurain to Devonian period

Explanation:

Diversification of fish began during the Silurian period continued during the Devonian Period. The lobe-finned fishes first appeared during the Silurian.

the answer

d. he trained to be a lawyer in england before returning to his country to fight for its independence from england.

hope it

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.