Answer:
Double and triple covalent bonds are stronger than single covalent bonds and they are characterized by the sharing of four or six electrons between atoms, respectively.
Explanation:
 
        
             
        
        
        
Generally, the sun observes a solar cycle of eleven years. In this cycle, there are fluctuations in the activity, such as the ejected levels of solar radiation, and in the appearance of the sun, such as changes in the amount and size of sun spots, solar flares and other phenomena that occur on the sun's surface.
These changes also affect phenomena on earth, especially the auroras. 
        
                    
             
        
        
        
Lysosomes are organelles that float on the cytoplasm and their main function is to secrete waste out of the cell and digest.
Lysosomes are found in eukaryotic cells and yes, they are present in plant cells.
Hope it helped.
BioTeacher101
 
        
             
        
        
        
Answer: Vacuole
Answer choices:
<span>Cell membrane
Mitochondrion
Nucleus
Vacuole</span>
Vacuoles<span> are membrane-bound structures found in both  animal and plant cells. </span>
They have three important functions in plants --  provide support or rigidity, a storage for nutrients and waste matter until it can be removed,  and decompose complex molecules.
 
        
             
        
        
        
Answer:
Exponential growth assumes that environmental factors like food, water supply, space, shelter, disease organisms, predators, weather conditions, and natural disasters do not affect the birth or death rate. As long as birth rate exceeds death rate (even slightly) population size will increase exponentially.
Explanation: