Answer:
<h3>male and female reproductive cells </h3>
Explanation:
<h3>I hope it helps ❤❤</h3>
 
        
                    
             
        
        
        
Answer:
D) It increase water absorption.
Explanation:
When a soil is at field capacity, organic matter has a higher water holding capacity than a similar volume of mineral soil.
 
        
                    
             
        
        
        
The brain is a part of the central nervous system together with the spinal chord.
The other part of the nervous system is the peripheral nervous system which is consisted of nerves and ganglions. 
Humans own their ability of speech to the three areas in the brain. 
Broca's area is essential for forming words, Wernicke's area helps us understand the meaning of words and the arcuate fasciculus connects these two areas and gives speech coherence. 
        
             
        
        
        
Answer:
peptide antigens by MHC class II molecules
Explanation:
Helper T cells are activated by peptide antigens by MHC class II molecules. These antigens express on the surface of antigen-presenting cells (APCs). After activation, the T helper cells divide and secrete cytokines  to assist the immune response.
 
        
             
        
        
        
Answer:
Both have many layers of membranes
Explanation: