Answer:Algae play significant roles as producers in aquatic ecosystems. Microscopic forms live suspended in the water column. They are the main component of phytoplankton. As such, they contribute to the food base of most marine ecosystems.
Explanation:
Germany any they lost land an army and couldn’t have an Air Force
I’m not 100% sure, but I think the answer is your third option
Answer:
Imperilism
Explanation:
Imperialism is a policy or ideology of extending the rule over peoples and other countries, or extending political and economic access, power and control, often through employing hard power, especially military force, but also soft power. While related to the concepts of colonialism and empire, imperialism is a distinct concept that can apply to other forms of expansion and many forms of government.