Answer:
Investigate options for killing the algae without harming the ecosystems in the ponds.
Explanation:
Answer:
We should remember the Pearl Harbor soldiers because if it weren't for them, we would be speaking German today. Essentially, the Nazis would have taken over us, and we'd be speaking another language. So, the US joining the Allies after the 12/7/1941 attack was an important event in WWII.
Answer:
Option: The cotton gin made it much easier to clean cotton.
Slavery grew dramatically and became important to the South's economy.
Explanation:
With the invention of Cotton Gin in America in 1793, it changed the South economy by reduced slaves removing seeds from the cotton. Removing the seeds from cotton was back-breaking work for the slaves. The cotton gin was able to clean cotton easily in less time. Introducing cotton gin also led rise to slavery which ultimately increased the need for slaves in the field for growing and picking the cotton in plantations.