they they are mainly found in deserts grasslands and mountains
Because that was their land to begin with, and when thousands of people flock to your land and take over everything including resources, then it is an intrusion
The statement “Economists often use production possibilities graphs to determine profit” is false
Answer: Option 2
<u>Explanation:
</u>
A production possibility graph is used to determine and calculate how much goods can be produced with some given resources and technology with an assumption that all the resources invested in this are efficiently and effectively used.
Sometimes the graph also shows the attainable profits after implementing a profit generation strategy. Sales and costs are represented using two graph lines. When they intersect a break-even is achieved.
Sometimes this can also be used to see how profit can be generated when fixed costs and variable costs are changed. Economists often used profit graph to determine profit. It shows the possible results which can be achieved after the implementation of a profit generating plan.
Once they arrived in the caribbean islands, the Africans were prepared for sale. They were washed and their skin was oiled. Finally they were sold to local buyers.
Answer:
The correct answer is: The complement system.
Explanation:
-The complement system can also be known as the complement cascade is one of the fundamental components of the system that helps the organism defend from pathogen agents.
-It is known as the complement system because it helps antibodies in the task of clearing microbes and damaged cells, and attacking pathogen agents.
-The complement system is a part of the inmune system as is brought into action via activation of the adaptive inmune system.
In conclusion, the complement system is a contributor to both innate and humoral inmunity that requires sequential activation.
