Answer:
b
Explanation:
because the answer is obvious 
 
        
             
        
        
        
Clearly your only giving 5 points but ok.
Answer:     Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Buy less plastic and bring a reusable shopping bag. Use long-lasting light bulbs. Energy efficient light bulbs reduce greenhouse gas emissions. Also flip the light switch off when you leave the room!
 
        
             
        
        
        
Answer:
The microtubule-organizing center found in animal cells is an identifiable structure present during all phases of the cell cycle. Specifically, it is known as the _centrosoma___.
Explanation:
The centrosome corresponds to the center from which all the structures formed by the microtubules (mitotic spindle, cilia, flagella) .
Participates in cell division, intercellular transport, cell polarity, among other functions.
 
        
             
        
        
        
An intrusion is the action of intruding or intruding. I hope I helped a little!! :-)