Answer:
<em>There </em><em>are</em><em> two types of steamboats: an East Coast type and a Western Rivers type.</em><em> </em><em>The</em><em> </em><em>first</em><em> </em><em>steamboat</em><em> </em><em>was</em><em> </em><em>invented</em><em> </em><em>by</em><em> </em><em>an</em><em> </em><em>American</em><em> </em><em>inventor</em><em> </em><em>named</em><em> </em><em>Robert</em><em> </em><em>Fulton</em><em> </em><em>in</em><em> </em><em>180</em><em>7</em><em>.</em><em> </em><em>I</em><em>t</em><em> </em><em>was</em><em> </em><em>called</em><em> </em><em>the</em><em> </em><em>Clermont</em><em>.</em>
Answer:
lack of awareness to utilize resources
Answer:
D. The rock was once in a marine environment.
Explanation:
The question says when MARINE organisms are present in a rock, meaning it was in a marine environment. Most fossils are found on land, but scientists can easily figure out of it was originally from land or marine based.
Across the state, agriculture and the new industries of oil and lumber fell victim to the growing economic depression. The state's economy was further crippled by the devastating effects of the Dust Bowl.