Look up Dawrin's theory of evolution. Basically, fossil records show how life forms change over time through evolution. 
        
             
        
        
        
Answer:
The correct answer is Cb3 protein.
Explanation:
The alternative pathway of complement is the immune system's natural defense system against any infectious agent. It is one of the 3 complement pathways that kills and any pathogen that enters our body.  
The pathway is activated when Cb3 protein binds directly to the microbe. 
Cb3 protein is found in abundant quantity in our plasma. It is available in the free form. 
 
        
             
        
        
        
Answer:
The leatherback is the largest living sea turtle.
Explanation:
The Leatherback is the largest sea turtle existing today, which can reach up to 2000 pounds in weight and 8 feet in size. These turtles belong to a reptilian family that has been around for more than 100 million years.
 
        
             
        
        
        
Answer:
BELOW 
Explanation:
Classrooms and Corridors: People rushing, locker doors, loose school items
On the territory surrounding the school: Rocks, trees, animals?, if not animals then: people
In the school: people, doors, bathrooms(no cameras)
In the settlement: People, doors, rocks
if an earthquake happens get in a doorframe and/or get on the ground and put your hands over your neck.
You should follow the teacher or staff's instructions
If you are alone find other people
911
(YOU KNOW THE NUMBERS i cant tell you)
 
        
             
        
        
        
Answer:
The correct option is D: Faults form because crust gets cracked when plates move apart along divergent plate boundaries.
Explanation:
Options A and B are incorrect because even though tectonic plates are constantly moving and crashing against each other at convergent plate boundaries, it is not responsible for causing an earthquake. Option C is also incorrect in the context of the question statement merely colliding does not result in an earthquake.
Hope that answers the question, have a great day!
(also, please remember to give 'brainliest' if you found this answer helpful :)