Answer:the main use of lipids is to store energy 
Explanation:If we eat a lot of food, we don't really need all of the energy that we get from it. So, our body stores it away for when we need it later. Hope this helps!
 
        
             
        
        
        
One characteristic of domain archaea is their cell walls.
        
             
        
        
        
Hello! 
The amount of water in a river varies for each particular area. Whether the area has been receiving rainfall or a drought. 
Seasons also play a role; if it's Spring, you may receive more rainfall and have a higher water levels. If it's Summer, you may experience a drought, causing lower water levels.
Although that was not very much information, I thought I'd provide a small bit of information. Hope it helps. :)
        
                    
             
        
        
        
Answer:
A) A tentative statement used to guide a scientific investigation is called scientific hypothesis.
As hypothesis is a proposed details of a phenomena, it can guide us in one way or another to carry out the scientific investigation.
B) Makes prediction about future events is scientific hypothesis.
Scientific hypothesis bases on the observation made predicts about future events, which could be either true or false.
C) Can be tested many independent researches is a scientific theory. 
A scientific theory is developed when it has been passed through many researches and had gained acceptance too.
D) Both Scientific theory and hypothesis are based on the observations of the natural phenomena. 
Firstly, an observation is made based on natural phenomena, which leads to questions, then research or study is carried out to answer these questions leading to the formation of a hypothesis which upon successful  testing forms a theory.
E) Scientific theory is a well-established highly reliable explanation. 
It a highly sustained explanation based on facts of nature, that are confirmed via a lot of experiments.
 
        
             
        
        
        
Option B. A man pushes a couch across the room is the answer.