The biceps and triceps act against one another to bend and straighten the elbow joint
 
        
             
        
        
        
 I dont see any choices sorry wish i could help
 
        
             
        
        
        
Answer:
igneous rocks - geosphere
oceans, frozen lakes - hydrosphere
gaseous nitrogen - atmosphere
sea animals, marine plants - biosphere
Explanation:
 
        
             
        
        
        
Answer:
Countable:  dogs, cats, sheep, trees, roads, signs, men, women, planets, universes
Uncountable:  rain, water, dirt, flour, wine, wood, plastic, glass, dust, grass
Explanation:
 
        
                    
             
        
        
        
Answer:The raw materials required for the process of photosynthesis are carbon dioxide, water and solar energy.
The carbon dioxide present in the atmosphere diffuses into the leaf through stomata.
Water is obtained from the plant roots. 
Solar energy is obtained from the sun which gets trapped by the chlorophyll pigment present in the leaves.
Explanation: