True - The weight of an object is equal to the force of gravity acting upon the object. .... A contact force results from the physical contact between two objects.
        
             
        
        
        
(strip cropping)   cultivation of crops in strips following the contours of the land to minimize erosion..... 
 
        
                    
             
        
        
        
<h3><u>Answer;</u></h3>
All four organisms have exactly the same components in their DNA, but it varies in number and sequence
<h3><u>Explanation;</u></h3>
- <em><u>DNA, known as deoxyribonucleic acid is a type of nucleic acid which is important to all living organisms as it helps store genetic information.</u></em>
- <em><u>All living organisms store their genetic information using DNA molecules or RNA molecules. Most organisms contains DNA that have similar components, however their DNA will differ in number and also the sequences. </u></em>
- <em><u>The similarity between the molecules of DNA indicates a common ancestry among organisms. </u></em>
 
        
        
        
They are called Amniotic eggs
        
             
        
        
        
Answer:
Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Without photosynthesis, the carbon cycle could not occur, oxygen-requiring life would not survive and plants would die.
Explanation: