The correct answer is true. When a slave owner willingly gave up a slave it was called manumission.
Answer:Native specie are species that naturally lives in an ecosystem.They are usually assisted by new species.
Non native specie;These are species that exist outside their natural range.They usually exist where they have not naturally occured and they don't hinder the presence of other specie in the ecosystem.
Indicators are organisms whose existence is largely dependent on the condition of the ecosystem.
Key stone specie;These species have significant impact on their eco system.Non existence of these species can cause significant regress In an ecosystem.
Causes of decline of the listed species.
1)Pathogens and pest.
2)Human causes.
3)Loss of habitat.
4)Loss of pollinators and other plant partners.
Owl as an indicator specie has declined.
Explanation:
#1. Stalin sided with Bolsheviks and became follower of lenin. Lenin died and it set off power for leadership, this is when stalin won struggle. Lenin gained power of communists/soviet union.
Answer: B) when some inputs are fixed and some are variable
Explanation: The law of diminishing returns refers to a very popular narrative in economics which explains how the return or yield generated from adding an additional unit of input starts to decrease at a certain period. The concept of diminishing returns involves that, in the production of a certain good or services, some of the inputs required such land, labor or equipment, when a certain input is increased such as land while the others such as equipment or labor is fixed, there is an increase in the output of production, However, as land continues to increase while the other factors are fixed, a decrease in the output begins to set in.
