I'll do my best to help you pal!
1)True
2)A
3)A
4)C
5)A
Good Luck!
        
             
        
        
        
Answer:
Earthquakes
Explanation:
This would happen because we have devices such as seismographs to record the motion of the ground during an earthquake. Without that, we wouldn't know how big the earthquake is and how to prepare for survival. 
 
        
                    
             
        
        
        
A warm air does always rise and cold air falls
        
             
        
        
        
Hooks c. streamlined bodies 
. tentacles .
        
             
        
        
        
Dual visual system:
Dual visual system is nothing but the different visual systems that our brain is meant to direct.
The two visual systems are 
-  Dorsal Stream
-  Ventral Stream  
Dorsal Stream:
Dorsal stream is mainly referred as a vision of action. This visual system is involved in moment by moment analysis. It is also known as where stream.
Ventral Stream:
Ventral stream is mainly referred to as the vision of perception. This visual system is meant to analyse and recognize shape and object etc. It is also known as What stream
Blindness:
Blindness is a defined as the lack of vision. Such type of vision loss can't be corrected either by contact lens or through glasses.
There are two type of blindness,
- Temporary Blindness
- Permanent Blindness
Temporary blindness is a condition where the vision of an individual vision is limited.
Permanent Blindness is a condition where an individual can't see anything even the light