<h3><u>Answer;</u></h3>
A) Size: universe -> galaxy -> solar system  
Number of objects: universe ->galaxy -> solar system 
<h3><u>Explanation;</u></h3>
- <em><u>The relative size and relationship between the solar system, galaxy and universe is such that; universe is the largest, followed by the galaxy and solar system the smallest.</u></em>
- <em><u>Similarly in terms of the number of objects, objects in the universe are more compared to those of the galaxy and the solar system.</u></em>
- In a nut shell, universe refers to everything that exists, galaxies are giant structures that are made up of billion of stars. The universe is made up of billions of galaxies. A solar system is a region of space where the gravitational force of a star influences all the other objects.
 
        
        
        
Answer:
Your heart rate will increase due to the lack of oxygen.
Hope this helps.
Explanation:
 
        
                    
             
        
        
        
Answer:
all of them would be good strategies
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Answer:
kg
Explanation:
the base unit of mass is kilograms (kg)
 
        
             
        
        
        
Answer:
B. Chromosomes
Explanation:
This process is required to produce egg and sperm cells.