Evolution is change over time.
        
             
        
        
        
 A strong effect on local wind patterns and composition of the air. Thus, option "B" is correct.
<h3>What is the composition of air short answer?</h3>
Air is a mixture of many gases. The elements of air are nitrogen, oxygen, noble gases, carbon dioxide, water vapour, smoke, and dust particles. The primary gases present in the air are nitrogen (78%), oxygen (21%), and the other gases 1%.
Thus, option "B" is correct.
To learn more about air click here:
brainly.com/question/19368011
#SPJ1
 
        
             
        
        
        
C2H6 + 4o2 → 2CO2 + 3H2O...
 
        
             
        
        
        
Danish scientist Hans Christian Gram devised a method to differentiate two types of bacteria based on the structural differences in their cell walls. In his test, bacteria that retain the crystal violet dye do so because of a thick layer of peptidoglycan and are called Gram-positive bacteria. In contrast, Gram-negative bacteria do not retain the violet dye and are colored red or pink. Compared with Gram-positive bacteria, Gram-negative bacteria are more resistant against antibodies because of their impenetrable cell wall. These bacteria have a wide variety of applications ranging from medical treatment to industrial use and Swiss cheese production.
 
        
             
        
        
        
Answer:The immune system protects your child's body from outside invaders, such as bacteria, viruses, fungi, and toxins (chemicals produced by microbes). It is made up of different organs, cells, and proteins that work together.
Read more on Brainly.com - brainly.com/question/16566272#readmore