1. C) The soil will have no nutrients to grow the corn. 
2. C) Crops may cause an increase of allergic reactions in humans 
3. B) Decomposers 
        
                    
             
        
        
        
Answer:I have a question too HOW DO wait never mind sorry just keep reading please... ok how do I log out or switch accounts I really need to but it won’t let me congrats I wasted your time yay 
Explanation:
 
        
                    
             
        
        
        
Answer:
n stage 13, all four limb buds are present. In stage 13, the upper limb buds resemble flippers. In stage 23, the upper limb shows well-formed arm, elbow, wrist, and fingers. In stage 23, the lower limb shows well-formed toes, feet, and knees.
Explanation:
 
        
             
        
        
        
Covalent bonds are formed when two atoms are able to <em>share</em> electrons.
Iroinic bonds are form when two atoms are <em> </em> electrons from each other to complete the bond. This results in a pair of ions. 
<u>Covalent bonds:</u>
- Have a definite shape.
- Have a low melting point.
- At room temperature they are in a liquid or gas.
- They occur between two non-metals.
<u>Ionic bonds:</u>
- Have no definite shape.
- Have a high melting point.
- At room temperature they are solid.
- They occur between a metal and a nonmetal.
 
        
             
        
        
        
The change in intractellular pH can potentially affect virtually all cellular processes. It includes metabolism, membrane potential, cell growth, movement of substance across of surface membrane, state of polymerization of the cytoskeleton and the ability to contract in muscle cell