Answer:
D
Explanation:
Everything in there pollutes the environment.
 
        
             
        
        
        
Answer:
Microtubules have shapes like a spindle and are arranged to form centrosome and a cluster of such microtubules form centriole.
Explanation:
Microtubules are seen in eukaryotic cells to give shape and structure to the cells and they form part of the cytoskeleton. They are known to grow long and are dynamic. Centrosomes are known to be main microtubule that are found in animal cells. They are organelles that are made from the arrangement of clusters of microtubules. The centrioles are organized microtubules that actually help to serve as skeletal system of the cell. These centrioles  help to determine the locations of the nucleus.
 
        
             
        
        
        
<span>An example of allopathic veterinary medicine is surgery. The sentence is a fact. 
>> </span><span>Veterinarians come in two types:
           --allopathic -</span> practice conventional medicine, believed that animal diseases come from <span> bacteria, viruses, toxins, and such. To stop this, they perform surgery or treat sick animals with prescribed drugs.</span><span>
           --- holistic- </span>treat the whole animal, not just one organ or limb.,believed that animal can heal themselves; consider the animals' environment and history; uses <span>conventional and alternative modalities</span>
        
             
        
        
        
We identify them by their chromosomes.
If you are male, they have an XY pair. If you are an female, they have an XX pair.