Answer:
Mean sea level (MSL) (often shortened to sea level) is an average level of the surface of one or more of Earth's bodies of water from which heights such as elevation may be measured.
Explanation:
 
        
                    
             
        
        
        
Answer: 
b. Living things
Explanation:
Every living thing contains organic compounds.
 
        
             
        
        
        
I'll choose Golden Retrievers:
These dogs where created for duck-hunters. Their purpose was to go catch the ducks that fell on the lake/river once they were shot by the hunter - here we see how they serve (or actually served) men. 
Nowadays, Golden Retrievers are known to like water a lot, and to be very playful with it - and here is where we see a genetic adaptation. They needed to be in water, and were modified to like it. 
Hope it helped,
BioTeacher101
 
        
             
        
        
        
Answer:
A and C.
Explanation:
They are similar to the question and makes sense
 
        
             
        
        
        
It was important to keep on set of seedling in the light because seedlings will become fragile and thin and would not produce the healthy stem if no sun light is provided to the seedling.
Explanation:
Seedlings have three parts called hypocotyl, cotyledons and radicle.
The radicle is the downward part responsible for making root system of the plant.
When root is formed and anchored to the ground a shoot emerges from hypocotyl.
The growth of plants depends on the temperature requirement by seedling.
The seedling has to start photosynthesis for growing demands of nutrients of growing plant. The photosynthesis requires sunlight so seedling are always kept in sunlight for the growth and height of the plant.
Temperature and light intensity is a determining factor in the growth seedling and eventually plants.
A photoperiod ( length of light period required by a plant for growth and reproduction)  which is less than 14 hours causes stunting in plants.