Answer: C 
Explanation: I took the test hoped this helped :)
 
        
             
        
        
        
Answer:
The correct sequence of muscle contraction from first to last is given below
Explanation:
step 1  myosin head interacts with actin
step 2 ATP binds to myosin head 
step 3  ATP is converted to ADP and Pi
step 4  ADP and pi are released from myosin 
step 5  Myosin head pivots in the power stroke 
step 6  Myosin head is cocked back.
 
        
             
        
        
        
Answer:
A
Explanation:
The supply of labor decreases because of a decrease in the after-tax wage rate this decreases a labor decreases the potential output of an economy known as GDP
 
        
             
        
        
        
Answer:
A. The same species of organisms from one geographic area make up a population. 
Explanation:
- Population refers to a group of organisms of the same species living in the same geographical area at the same time. Therefore organisms of similar species make up a population.
- Several populations in turn make up a community. This explains why a community refers to groups of different species living in the same geographical area or an ecosystem.