C. To track the direction the outdoor sunflower heads were facing throughout the day.
Explanation:
The main aim of the experiment being conducted by Jane  is to track the direction the outdoor sunflower heads were facing throughout the day. 
The whole set up is designed to test the claim that sunflowers do follow the sun in the sky throughout the day. 
- From experiment, Jill should be able to track the changes in the orientation of flower head throughout the day. 
- This will rightfully support his claims .
learn more: 
Experiment brainly.com/question/5096428
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Answer: B)
humans and chimps share a common ancestor.
Explanation:
 
        
             
        
        
        
Answer:
i cant read them when there like that
Explanation:
sorry 
 
        
                    
             
        
        
        
D is DNA
B is cell membrane
C is ribosomes
A is cytoplasm
ur welcome and can i have brainliest pls
        
                    
             
        
        
        
Answer:
A. All of these choices are correct.
Explanation:
In pharmacology , drugs play different roles from simple to complex.
as is the above mentioned question drugs can facilitate the transmission of information from one neuron to another so option B is correct.
While the drugs / chemicals can  inhibit the transmission of information from neuron to another so option C is also correct. 
And the drugs can also be used to cure a whole variety of clinical disorders by playing a role at the synaptic level. 
Hence option A All of these choices are correct is the right answer.